CVE-2026-70426

criticalpriority · track · 0EPSS 0.005 · 44 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 9 · critical

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath.

cvss

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

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9

v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 2.2 · impact 6

v3.18.2highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502US

affected products (14)

Products and version ranges known to be affected.

Red Hat OpenShift Developer Toolsall versionscert_bundDEcpe:/a:redhat:openshift:developer_tools
jenkins Jenkins≤ External Workspace Manager <1.4.2cert_bundDE
jenkins Jenkins≤ HCL AppScan <1.8.4cert_bundDE
jenkins Jenkins≤ LTS <2.568.2cert_bundDE
jenkins Jenkins≤ Multijob <677.v7ffc23d6a_4c2cert_bundDE
jenkins Jenkins≤ SCM-Manager <1.12.1cert_bundDE
jenkins Jenkins≤ Webhook Secret Credentials Provider <32.v09c9b_522f0a_8cert_bundDE
jenkins Jenkins≤ weekly <2.576cert_bundDE
Jenkins Project Jenkins< 2.568.2enisa_euvdEU
Jenkins Project Jenkins< 2.576enisa_euvdEU
Jenkins Project Remoting< 3355.3357.v931d3c992987enisa_euvdEU
Jenkins Project Remoting< 3385.vf1123fb_515da_enisa_euvdEU
Bitnami jenkins< 2.568.2osvUSpkg:bitnami/jenkins
Bitnami jenkins2.569.0 → 2.576.0osvUSpkg:bitnami/jenkins

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2665Jenkins Plugins: Mehrere SchwachstellenDeutsch2026-08-05csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um beliebigen Code auszuführen, Berechtigungen zu erweitern, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren sowie Cross-Site-Scripting- (XSS) oder Server-Side-Request-Forgery- (SSRF) Angriffe durchzuführen.
BIT-jenkins-2026-704262026-08-17vendor · osvUS
In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv NVD CVE.org MITRE

published 2026-08-05modified 2026-08-31

references (3)

External citations — patches, advisories, analysis.

scry

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