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VulnerabilityPublished

CVE-2026-70436: Jenkins External Workspace Manager Plugin · Missing Authorization

Affects Jenkins External Workspace Manager PluginSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium.

Data as of 3 Nov 2026, 22:58 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Jenkins ProjectJenkins External Workspace Manager PluginAffected
  • <=1.4.1
Fixed in–

AI-suggested

Until an official fix is released, restrict Overall/Read permissions to trusted users only to limit exposure. Monitor Jenkins plugin updates for a patch addressing this vulnerability.

Description

Jenkins External Workspace Manager Plugin versions 1.4.1 and earlier contain a vulnerability where permission checks are missing or improperly implemented, allowing users with Overall/Read permission to access files in workspaces they should not be authorized to read. This issue affects versions prior to 1.4.2 and has a medium severity rating.

References

Community reviews

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