Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade jenkins-ltsUpgrade jenkins | Aug 7, 2026 | Aug 6, 2026 |
| Jenkins 2026 08 05 | — | Upgrade Jenkins to the latest versionUpgrade Jenkins LTS to the latest versionUpgrade Jenkins to version 2.576Upgrade Jenkins LTS to version 2.568.2 | Aug 6, 2026 | Aug 5, 2026 |
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