What’s Vulnerable › Vulnerabilities
CVE-2026-84650
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-11
- Weakness: CWE-502
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.
Affected products
- Jenkins: before 2.568.3; before 2.580 — fixed in 2.568.3, 2.580
How to fix
Upgrade to a fixed version: Jenkins 2.568.3, 2.580. Check the vendor advisory for mitigations.
References
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