CVE-2026-86247

Apache Tomcat Native: Client certificate requirements can be down-graded

En bref

Sévérité: HIGH 7.4
EPSS: EPSS 0.20 % · centile 10 (2026-10-27)
État: PUBLISHED
Publiée: 2026-09-23
Mise à jour: 2026-09-23
Attribuée par: apache
Statut NVD: Analyzed

Description

Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	CISA-ADP
CVSS 3.1	HIGH 7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

CWE-366

Références européennes

ENISA EUVD · EUVD-2026-85270
GCVE · GCVE-0-2026-86247

Configurations affectées (CPE NVD)

cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:* ≥ 1.3.0 < 1.3.9
cpe:2.3:a:apache:tomcat_native:*:*:*:*:*:*:*:* ≥ 2.0.0 < 2.0.16

Produits affectés

Produit	Versions
Apache Software Foundation · Apache Tomcat Native	affected 2.0.0 ≤ 2.0.15 ; affected 1.3.0 ≤ 1.3.8

Références

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