5.4

CVE-2026-57304: jenkins project jenkins assembla plugin Missing Authorization

CVSS: 5.4v3.1MediumAnalyzed
AliasesGHSA-2r5w-jh6g-8hff
Published 24-06-2026Last modified 24-06-2026

Vulnerability summary

CVE-2026-57304 is a medium (CVSS 5.4) Missing Authorization vulnerability in jenkins project jenkins assembla plugin. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-06-2026
    PublishedVulnerability first disclosed.
  2. 24-06-2026
    Last modifiedVulnerability information updated.

Description

A missing permission check in Jenkins Assembla Plugin 1.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using an attacker-specified username and password.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jenkins1 product
Jenkins project1 product
Org.jenkins-ci.plugins1 product
  • assembla≤ 1.4

3 vendors · 3 products

References

3 links