CVE-2026-53440
mediumpriority · track · 0EPSS 0.002 · 14 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1884Jenkins: Mehrere SchwachstellenDeutsch2026-06-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um beliebigen Programmcode auszuführen, sich als Benutzer auszugeben, Benutzer auf vom Angreifer kontrollierte Domänen umzuleiten, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen und zu manipulieren sowie Cross-Site-Scripting-Angriffe durchzuführen.
- GHSA-92m7-4fpw-2wxmJenkins: Open Redirect phishing attacks possible via "from" parameter in "Delegate to servlet container"2026-06-10ghsa · osvUS
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.
- BIT-jenkins-2026-534402026-06-12vendor · osvUS
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.
also known as (7)
Other names and identifiers for this entity.
sources
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references (4)
External citations — patches, advisories, analysis.
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