Auth bypass in Jenkins Project Gitee Plugin

CVE-2026-57291

Missing permission checks in Jenkins Gitee Plugin 1288.v18b_deb_c9069b_ and earlier allow attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-57291: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57291?
CVE-2026-57291 is a medium-severity vulnerability in Jenkins Project Gitee Plugin, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-06-24.
How severe is CVE-2026-57291?
Medium severity. CVSS v3 base score is 5.4 out of 10.