CVE-2026-70437: Low severity Jenkins Jenkins Webhook Secret Credentials Provider Plugin vulnerability

Published Aug 5, 2026
·
Updated

Jenkins Webhook Secret Credentials Provider Plugin 16.v0cfaf0215cf5 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.

Affected Software

1 affected component
Jenkins Jenkins Webhook Secret Credentials Provider Plugin<=16.v0cfa_f0215cf5

Event History

Aug 5, 2026
CVE Published
via MITRE·05:40 PM
Data Sourced
via MITRE·05:40 PM
Description
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2026-70437?

CVE-2026-70437 has a risk score of 47, indicating a moderate severity level.

2

How do I fix CVE-2026-70437?

To fix CVE-2026-70437, upgrade to the latest version of the Jenkins Webhook Secret Credentials Provider Plugin.

3

What is affected by CVE-2026-70437?

CVE-2026-70437 affects the Jenkins Webhook Secret Credentials Provider Plugin versions 16.v0cfa_f0215cf5 and earlier.

4

What type of vulnerability is CVE-2026-70437?

CVE-2026-70437 is a cryptographic vulnerability related to improper comparison of bearer tokens.

5

Can CVE-2026-70437 be exploited remotely?

Yes, CVE-2026-70437 can potentially be exploited by remote attackers using statistical methods to guess valid webhook bearer tokens.

Contact

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