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Vulnerability record · CVE-2026-84668 · published 2 September 2026

CVE-2026-84668: Improper access control vulnerability

Jenkins SAML Plugin 4.618.v441a_27fa_46d2 and earlier allows overwriting the SAML identity provider metadata file through Stapler data binding, allowing attackers to replace it with attacker-controlled content and authenticate as any user.

8.8 CVSS 3.1 High EPSS 0.42% · top 66.5% CWE-284 · Improper access control Awaiting Analysis
8.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
3 Sep 2026Last modified by NVD

Description

Jenkins SAML Plugin 4.618.v441a_27fa_46d2 and earlier allows overwriting the SAML identity provider metadata file through Stapler data binding, allowing attackers to replace it with attacker-controlled content and authenticate as any user.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4065

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-84668), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.