CVE-2026-53440
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
59/100
Published: 2026-06-10
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Unchanged
C:
None
I:
Low
A:
None
Description
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not ensure that the "from" parameter in the "Delegate to servlet container" security realm is safe to redirect to after login, allowing attackers to perform phishing attacks by redirecting users to an attacker-controlled domain.
Weakness Classification (1)
References & Advisories (1)
Vendor Advisory