CVE-2026-84655

En bref

Sévérité: MEDIUM 4.3
EPSS: EPSS 0.31 % · centile 24 (2026-10-27)
État: PUBLISHED
Publiée: 2026-09-02
Mise à jour: 2026-09-02
Attribuée par: jenkins
Statut NVD: Analyzed

Description

Jenkins 2.579 and earlier, LTS 2.568.2 and earlier does not escape map keys when serializing objects as JSON and Python through its REST API, allowing attackers able to control map property names to inject arbitrary fields into JSON and Python API responses.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	CISA-ADP
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

CWE-116

Références européennes

ENISA EUVD · EUVD-2026-70121
GCVE · GCVE-0-2026-84655

Configurations affectées (CPE NVD)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* ≤ 2.568.2
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* ≤ 2.579

Produits affectés

Produit	Versions
Jenkins Project · Jenkins	unaffected 2.580 < * ; unaffected 2.568.3 < 2.568.*

Références

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3879

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD