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CVE-2026-70437

low CVSS 3.7 EPSS 0.3%

Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfa_f0215cf5 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook bearer token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook bearer token.

Versions it affects

Software versions checked with the free lookup that CVE-2026-70437 applies to, and the release that fixes it where the sources name one.

jenkins 2.583

At a glance

Severity
Low
CVSS base score
3.7 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.3% probability of exploitation in the next 30 days, higher than 17% of scored vulnerabilities
Weakness
CWE-208
Published
2026-08-05
NVD CVE.org

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