Medium severity · published Aug 5, 2026
CVE-2026-70436
Jenkins External Workspace Manager Plugin 1.4.1 and earlier does not perform a permission check (1.4.0 and earlier) or performs an improper permission check (1.4.1) when providing…
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Jenkins External Workspace Manager Plugin 1.4.1 and earlier does not perform a permission check (1.4.0 and earlier) or performs an improper permission check (1.4.1) when providing access to externally-managed workspaces through the workspace browser, allowing attackers with Overall/Read permission to read files in workspaces they are not authorized to access.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins External Workspace Manager Plugin · Jenkins Project
through 1.4.1 · source: vendor
Affected product
JE
Jenkins External Workspace Manager Plugin
Jenkins Project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-70436
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-70436
www.jenkins.io
https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3907
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