Vulnerability Details CVE-2025-4658
Versions of OpenPubkey library prior to 0.10.0 contained a vulnerability that would allow a specially crafted JWS to bypass signature verification. As OPKSSH depends on the OpenPubkey library for authentication, this vulnerability in OpenPubkey also applies to OPKSSH versions prior to 0.5.0 and would allow an attacker to bypass OPKSSH authentication.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 20.7%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2025-4658
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cpe:2.3:a:openpubkey:openpubkey:0.1.0
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cpe:2.3:a:openpubkey:openpubkey:0.2.0
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cpe:2.3:a:openpubkey:openpubkey:0.2.1
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cpe:2.3:a:openpubkey:openpubkey:0.3.0
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cpe:2.3:a:openpubkey:openpubkey:0.4.0
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cpe:2.3:a:openpubkey:openpubkey:0.5.0
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cpe:2.3:a:openpubkey:openpubkey:0.5.1
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cpe:2.3:a:openpubkey:openpubkey:0.5.2
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cpe:2.3:a:openpubkey:openpubkey:0.6.0
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cpe:2.3:a:openpubkey:openpubkey:0.7.0
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cpe:2.3:a:openpubkey:openpubkey:0.7.1
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cpe:2.3:a:openpubkey:openpubkey:0.7.2
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cpe:2.3:a:openpubkey:openpubkey:0.7.3
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cpe:2.3:a:openpubkey:openpubkey:0.8.0
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cpe:2.3:a:openpubkey:openpubkey:0.9.0
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cpe:2.3:a:openpubkey:opkssh:0.1.0
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cpe:2.3:a:openpubkey:opkssh:0.2.0
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cpe:2.3:a:openpubkey:opkssh:0.2.1
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cpe:2.3:a:openpubkey:opkssh:0.2.2
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cpe:2.3:a:openpubkey:opkssh:0.3.0
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cpe:2.3:a:openpubkey:opkssh:0.4.0