8.8
Élevée
CVE-2026-19429 Jenkins FilePath.untarFrom() does not validate symlink targets when extracting TAR archives, allowing an attacker with…
Description
Jenkins FilePath.untarFrom() does not validate symlink targets when extracting TAR archives, allowing an attacker with Item/Configure permission to create symlinks from a workspace to arbitrary files on the Jenkins controller. This issue remains exploitable in versions patched for CVE-2026-33001 and CVE-2026-70427. An attacker can use this to read sensitive files from $JENKINS_HOME, including Jenkins cryptographic keys and stored credentials. Jenkins 2.576 is additionally affected by a Unicode zero-width character bypass of the blank-name validation introduced by CVE-2026-70427.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Jenkins 1.0 | 1.0 → 2.577 | Pas de correctif indiqué |
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Les 153 CVE de Jenkins →
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4.3
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8.8
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5.4
Moyenne