Vulnerability Details CVE-2026-24050
Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.4%
CVSS Severity
CVSS v3 Score 5.4
References
Products affected by CVE-2026-24050
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cpe:2.3:a:zulip:zulip_server:10.0
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cpe:2.3:a:zulip:zulip_server:10.1
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cpe:2.3:a:zulip:zulip_server:10.2
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cpe:2.3:a:zulip:zulip_server:10.3
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cpe:2.3:a:zulip:zulip_server:10.4
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cpe:2.3:a:zulip:zulip_server:11.0
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cpe:2.3:a:zulip:zulip_server:5.0
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cpe:2.3:a:zulip:zulip_server:5.1
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cpe:2.3:a:zulip:zulip_server:5.2
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cpe:2.3:a:zulip:zulip_server:5.3
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cpe:2.3:a:zulip:zulip_server:5.4
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cpe:2.3:a:zulip:zulip_server:5.5
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cpe:2.3:a:zulip:zulip_server:5.6
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cpe:2.3:a:zulip:zulip_server:5.7
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cpe:2.3:a:zulip:zulip_server:6.0
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cpe:2.3:a:zulip:zulip_server:6.1
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cpe:2.3:a:zulip:zulip_server:6.2
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cpe:2.3:a:zulip:zulip_server:7.0
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cpe:2.3:a:zulip:zulip_server:7.1
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cpe:2.3:a:zulip:zulip_server:7.2
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cpe:2.3:a:zulip:zulip_server:7.3
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cpe:2.3:a:zulip:zulip_server:7.4
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cpe:2.3:a:zulip:zulip_server:7.5
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cpe:2.3:a:zulip:zulip_server:8.0
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cpe:2.3:a:zulip:zulip_server:8.1
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cpe:2.3:a:zulip:zulip_server:8.3
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cpe:2.3:a:zulip:zulip_server:8.4
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cpe:2.3:a:zulip:zulip_server:8.5
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cpe:2.3:a:zulip:zulip_server:9.0
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cpe:2.3:a:zulip:zulip_server:9.1
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cpe:2.3:a:zulip:zulip_server:9.2
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cpe:2.3:a:zulip:zulip_server:9.3
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cpe:2.3:a:zulip:zulip_server:9.4