CVE-2026-53437

highpriority · track · 0EPSS 0.005 · 40 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.47% (40th) EPSS
CVSS 7.4 · high
Is it mine?
26 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains tab or newline characters between `//`, allowing attackers to perform phishing attacks.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.4
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.4

v3.17.4highAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · ENISA EU
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondaryexploitability 2.8 · impact 1.4
v3.17.4highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nsecondaryexploitability 2.8 · impact 4
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · OSV
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USCWE-601USCWE-601US
04

affected products (26)

Products and version ranges known to be affected.

showing 20 of 26
05

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-463r-5m89-4xfrJenkins Open Redirect Through Newline/Tab Characters in Redirect URL2026-06-10ghsa · osvUS

    Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains tab or newline characters between `//`, allowing attackers to perform phishing attacks.

  • BIT-jenkins-2026-534372026-06-12vendor · osvUS

    Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains tab or newline characters between `//`, allowing attackers to perform phishing attacks.

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundNVDCVE.orgMITRE
published 2026-06-10modified 2026-10-26
08

references (18)

External citations — patches, advisories, analysis.

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