Vulnerability Details CVE-2026-27952
Agenta is an open-source LLMOps platform. In Agenta-API prior to version 0.48.1, a Python sandbox escape vulnerability existed in Agenta's custom code evaluator. Agenta used RestrictedPython as a sandboxing mechanism for user-supplied evaluator code, but incorrectly whitelisted the `numpy` package as safe within the sandbox. This allowed authenticated users to bypass the sandbox and achieve arbitrary code execution on the API server. The escape path was through `numpy.ma.core.inspect`, which exposes Python's introspection utilities — including `sys.modules` — thereby providing access to unfiltered system-level functionality like `os.system`. This vulnerability affects the Agenta self-hosted platform (API server), not the SDK when used as a standalone Python library. The custom code evaluator runs server-side within the API process. The issue is fixed in v0.48.1 by removing `numpy` from the sandbox allowlist. In later versions (v0.60+), the RestrictedPython sandbox was removed entirely and replaced with a different execution model.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.5%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-27952
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cpe:2.3:a:agentatech:agenta:0.0.1
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cpe:2.3:a:agentatech:agenta:0.1.11
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cpe:2.3:a:agentatech:agenta:0.1.12
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cpe:2.3:a:agentatech:agenta:0.1.16
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cpe:2.3:a:agentatech:agenta:0.1.17
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cpe:2.3:a:agentatech:agenta:0.1.18
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cpe:2.3:a:agentatech:agenta:0.1.19
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cpe:2.3:a:agentatech:agenta:0.1.20
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cpe:2.3:a:agentatech:agenta:0.1.21
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cpe:2.3:a:agentatech:agenta:0.1.22
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cpe:2.3:a:agentatech:agenta:0.1.23
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cpe:2.3:a:agentatech:agenta:0.1.24
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cpe:2.3:a:agentatech:agenta:0.1.25
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cpe:2.3:a:agentatech:agenta:0.1.26
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cpe:2.3:a:agentatech:agenta:0.1.27
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cpe:2.3:a:agentatech:agenta:0.1.28
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cpe:2.3:a:agentatech:agenta:0.10.0
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cpe:2.3:a:agentatech:agenta:0.10.1
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cpe:2.3:a:agentatech:agenta:0.10.2
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cpe:2.3:a:agentatech:agenta:0.12.0
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cpe:2.3:a:agentatech:agenta:0.12.2
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cpe:2.3:a:agentatech:agenta:0.12.3
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cpe:2.3:a:agentatech:agenta:0.12.4
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cpe:2.3:a:agentatech:agenta:0.12.5
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cpe:2.3:a:agentatech:agenta:0.12.6
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cpe:2.3:a:agentatech:agenta:0.12.7
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cpe:2.3:a:agentatech:agenta:0.13.0
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cpe:2.3:a:agentatech:agenta:0.13.1
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cpe:2.3:a:agentatech:agenta:0.13.2
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cpe:2.3:a:agentatech:agenta:0.13.3
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cpe:2.3:a:agentatech:agenta:0.13.4
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cpe:2.3:a:agentatech:agenta:0.13.5
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cpe:2.3:a:agentatech:agenta:0.13.6
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cpe:2.3:a:agentatech:agenta:0.13.7
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cpe:2.3:a:agentatech:agenta:0.13.8
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cpe:2.3:a:agentatech:agenta:0.14.0
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cpe:2.3:a:agentatech:agenta:0.14.1
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cpe:2.3:a:agentatech:agenta:0.14.10
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cpe:2.3:a:agentatech:agenta:0.14.11
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cpe:2.3:a:agentatech:agenta:0.14.13
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cpe:2.3:a:agentatech:agenta:0.14.14
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cpe:2.3:a:agentatech:agenta:0.14.2
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cpe:2.3:a:agentatech:agenta:0.14.3
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cpe:2.3:a:agentatech:agenta:0.14.4
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cpe:2.3:a:agentatech:agenta:0.14.5
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cpe:2.3:a:agentatech:agenta:0.14.6
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cpe:2.3:a:agentatech:agenta:0.14.7
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cpe:2.3:a:agentatech:agenta:0.14.8
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cpe:2.3:a:agentatech:agenta:0.14.9
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cpe:2.3:a:agentatech:agenta:0.15.0
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cpe:2.3:a:agentatech:agenta:0.16.0
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cpe:2.3:a:agentatech:agenta:0.17.0
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cpe:2.3:a:agentatech:agenta:0.17.1
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cpe:2.3:a:agentatech:agenta:0.17.2
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cpe:2.3:a:agentatech:agenta:0.17.3
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cpe:2.3:a:agentatech:agenta:0.17.4
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cpe:2.3:a:agentatech:agenta:0.17.5
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cpe:2.3:a:agentatech:agenta:0.18.0
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cpe:2.3:a:agentatech:agenta:0.19.0
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cpe:2.3:a:agentatech:agenta:0.19.1
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cpe:2.3:a:agentatech:agenta:0.19.2
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cpe:2.3:a:agentatech:agenta:0.19.3
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cpe:2.3:a:agentatech:agenta:0.19.4
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cpe:2.3:a:agentatech:agenta:0.19.5
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cpe:2.3:a:agentatech:agenta:0.19.6
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cpe:2.3:a:agentatech:agenta:0.19.7
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cpe:2.3:a:agentatech:agenta:0.19.8
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cpe:2.3:a:agentatech:agenta:0.19.9
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cpe:2.3:a:agentatech:agenta:0.2.0
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cpe:2.3:a:agentatech:agenta:0.2.1
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cpe:2.3:a:agentatech:agenta:0.2.10
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cpe:2.3:a:agentatech:agenta:0.2.11
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cpe:2.3:a:agentatech:agenta:0.2.12
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cpe:2.3:a:agentatech:agenta:0.2.2
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cpe:2.3:a:agentatech:agenta:0.2.3
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cpe:2.3:a:agentatech:agenta:0.2.4
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cpe:2.3:a:agentatech:agenta:0.2.5
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cpe:2.3:a:agentatech:agenta:0.2.6
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cpe:2.3:a:agentatech:agenta:0.2.7
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cpe:2.3:a:agentatech:agenta:0.2.8
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cpe:2.3:a:agentatech:agenta:0.2.9
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cpe:2.3:a:agentatech:agenta:0.22.0
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cpe:2.3:a:agentatech:agenta:0.23.0
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cpe:2.3:a:agentatech:agenta:0.24.0
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cpe:2.3:a:agentatech:agenta:0.24.1
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cpe:2.3:a:agentatech:agenta:0.24.3
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cpe:2.3:a:agentatech:agenta:0.24.4
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cpe:2.3:a:agentatech:agenta:0.25.0
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cpe:2.3:a:agentatech:agenta:0.25.2
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cpe:2.3:a:agentatech:agenta:0.25.3
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cpe:2.3:a:agentatech:agenta:0.25.4
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cpe:2.3:a:agentatech:agenta:0.26.0
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cpe:2.3:a:agentatech:agenta:0.27.0
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cpe:2.3:a:agentatech:agenta:0.27.1
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cpe:2.3:a:agentatech:agenta:0.27.2
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cpe:2.3:a:agentatech:agenta:0.27.3
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cpe:2.3:a:agentatech:agenta:0.27.7
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cpe:2.3:a:agentatech:agenta:0.28.0
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cpe:2.3:a:agentatech:agenta:0.29.0
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cpe:2.3:a:agentatech:agenta:0.3.0
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cpe:2.3:a:agentatech:agenta:0.3.1
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cpe:2.3:a:agentatech:agenta:0.30.0
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cpe:2.3:a:agentatech:agenta:0.31.0
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cpe:2.3:a:agentatech:agenta:0.32.0
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cpe:2.3:a:agentatech:agenta:0.33.0
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cpe:2.3:a:agentatech:agenta:0.33.1
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cpe:2.3:a:agentatech:agenta:0.33.2
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cpe:2.3:a:agentatech:agenta:0.33.3
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cpe:2.3:a:agentatech:agenta:0.33.4
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cpe:2.3:a:agentatech:agenta:0.33.5
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cpe:2.3:a:agentatech:agenta:0.33.6
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cpe:2.3:a:agentatech:agenta:0.33.7
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cpe:2.3:a:agentatech:agenta:0.33.8
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cpe:2.3:a:agentatech:agenta:0.34.0
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cpe:2.3:a:agentatech:agenta:0.34.1
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cpe:2.3:a:agentatech:agenta:0.34.2
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cpe:2.3:a:agentatech:agenta:0.34.3
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cpe:2.3:a:agentatech:agenta:0.34.7
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cpe:2.3:a:agentatech:agenta:0.35.0
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cpe:2.3:a:agentatech:agenta:0.35.1
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cpe:2.3:a:agentatech:agenta:0.35.2
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cpe:2.3:a:agentatech:agenta:0.36.0
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cpe:2.3:a:agentatech:agenta:0.36.1
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cpe:2.3:a:agentatech:agenta:0.36.4
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cpe:2.3:a:agentatech:agenta:0.37.0
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cpe:2.3:a:agentatech:agenta:0.37.1
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cpe:2.3:a:agentatech:agenta:0.37.2
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cpe:2.3:a:agentatech:agenta:0.37.3
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cpe:2.3:a:agentatech:agenta:0.38.0
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cpe:2.3:a:agentatech:agenta:0.38.1
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cpe:2.3:a:agentatech:agenta:0.38.2
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cpe:2.3:a:agentatech:agenta:0.39.0
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cpe:2.3:a:agentatech:agenta:0.39.2
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cpe:2.3:a:agentatech:agenta:0.39.3
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cpe:2.3:a:agentatech:agenta:0.39.4
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cpe:2.3:a:agentatech:agenta:0.4.0
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cpe:2.3:a:agentatech:agenta:0.4.1
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cpe:2.3:a:agentatech:agenta:0.40.0
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cpe:2.3:a:agentatech:agenta:0.41.0
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cpe:2.3:a:agentatech:agenta:0.41.1
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cpe:2.3:a:agentatech:agenta:0.42.0
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cpe:2.3:a:agentatech:agenta:0.42.1
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cpe:2.3:a:agentatech:agenta:0.42.2
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cpe:2.3:a:agentatech:agenta:0.43.0
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cpe:2.3:a:agentatech:agenta:0.43.1
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cpe:2.3:a:agentatech:agenta:0.44.4
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cpe:2.3:a:agentatech:agenta:0.45.0
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cpe:2.3:a:agentatech:agenta:0.45.1
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cpe:2.3:a:agentatech:agenta:0.45.2
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cpe:2.3:a:agentatech:agenta:0.45.3
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cpe:2.3:a:agentatech:agenta:0.45.4
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cpe:2.3:a:agentatech:agenta:0.46.0
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cpe:2.3:a:agentatech:agenta:0.46.1
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cpe:2.3:a:agentatech:agenta:0.47.0
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cpe:2.3:a:agentatech:agenta:0.48.0
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cpe:2.3:a:agentatech:agenta:0.5.0
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cpe:2.3:a:agentatech:agenta:0.5.1
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cpe:2.3:a:agentatech:agenta:0.5.2
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cpe:2.3:a:agentatech:agenta:0.5.3
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cpe:2.3:a:agentatech:agenta:0.5.4
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cpe:2.3:a:agentatech:agenta:0.5.5
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cpe:2.3:a:agentatech:agenta:0.5.6
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cpe:2.3:a:agentatech:agenta:0.5.7
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cpe:2.3:a:agentatech:agenta:0.5.8
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cpe:2.3:a:agentatech:agenta:0.6.0
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cpe:2.3:a:agentatech:agenta:0.6.1
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cpe:2.3:a:agentatech:agenta:0.6.10
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cpe:2.3:a:agentatech:agenta:0.6.2
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cpe:2.3:a:agentatech:agenta:0.6.3
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cpe:2.3:a:agentatech:agenta:0.6.4
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cpe:2.3:a:agentatech:agenta:0.6.5
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cpe:2.3:a:agentatech:agenta:0.6.6
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cpe:2.3:a:agentatech:agenta:0.6.7
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cpe:2.3:a:agentatech:agenta:0.6.8
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cpe:2.3:a:agentatech:agenta:0.6.9
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cpe:2.3:a:agentatech:agenta:0.7.0
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cpe:2.3:a:agentatech:agenta:0.7.1
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cpe:2.3:a:agentatech:agenta:0.8.1
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cpe:2.3:a:agentatech:agenta:0.8.2
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cpe:2.3:a:agentatech:agenta:0.8.3
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cpe:2.3:a:agentatech:agenta:0.8.4
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cpe:2.3:a:agentatech:agenta:0.9.0
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cpe:2.3:a:agentatech:agenta:0.9.1