CVE-2026-70429

HIGH

Jenkins Case-Insensitive User/Group Name Handling Impersonation Vulnerability

Generated titleSource: EIP title enrichment
STIX 2.1 vulnerability

Record summary

CVE-2026-70429 has a selected CVSS score of 8.1 (high).

Description

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 6, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

Jenkins

Browse Jenkins Project / Jenkins

Default status: affected

CVE List2.576 to < *unaffected
2.568.2 to < 2.568.*unaffected

References

2