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CVE-2026-57295

MEDIUM
5.4
CVSS Score
Published: June 24, 2026 at 01:20 PM UTC
Updated: October 25, 2026 at 10:10 PM UTC
2 products affected across 2 vendorsEC2 FleetJenkins EC2 Fleet Plugin

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EC2 Fleet· Jenkinsjenkins-plugin
95%
v ≤ 4.2.3.539.v8fedff2a_81c3
Jenkins EC2 Fleet Plugin· Jenkins
84%
v ≤ 4.2.3.539.v8fedff2a_81c3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3774

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-352

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