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Vulnerability record · CVE-2022-43411 · published 19 October 2022

CVE-2022-43411: Jenkins gitlab observable discrepancy vulnerability

Jenkins · Gitlab

Jenkins GitLab Plugin 1.5.35 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

5.3 CVSS 3.1 Medium EPSS 0.72% · top 47.9% CWE-203 · Observable discrepancy
5.3CVSS 3.1 base score
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Jenkins GitLab Plugin 1.5.35 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/10/19/3 Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2877 Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/10/19/3 Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2877 Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2022-43411), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.