Is CVE-2026-57304 in the CISA KEV catalog?

No. CVE-2026-57304 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-57304?

CVE-2026-57304 has a CVSS v3 base score of 5.4 (MEDIUM).

CVE & CISA-KEV Catalog

CVE-2026-57304

MEDIUM

5.4

CVSS v3

NVD

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.

CWE-862Missing Authorization

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

EPSS data unavailable for this CVE.

References

https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(2)

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-24.