Non-constant time webhook token hash comparison in Jenkins Zanata Plugin

MEDIUM 5.3CVE-2023-46660 · GHSA-86j9-25m2-9w97 · Published 25/10/2023 · updated 17/06/2026

In short

CVE-2023-46660 is a MEDIUM (CVSS 5.3) vulnerability affecting org.jenkins-ci.plugins:zanata, zanata (jenkins).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 46.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
org.jenkins-ci.plugins:zanata Maven	`≤ 0.6`	No fix yet
zanata jenkins	`≤ 0.6`	No fix yet

Description

Jenkins Zanata Plugin 0.6 and earlier does not use a constant-time comparison when checking whether the provided and expected webhook token hashes are equal.

This could potentially allow attackers to use statistical methods to obtain a valid webhook token.

As of publication of this advisory, there is no fix.

NVD description

Jenkins Zanata Plugin 0.6 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token hashes are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

References

nvd.nist.gov/vuln/detail/CVE-2023-46660 · ADVISORY
jenkinsci/zanata-plugin · PACKAGE
jenkins.io/security/advisory/2023-10-25 · WEB
openwall.com/lists/oss-security/2023/10/25/2 · WEB

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free