CVE-2026-8280

🔶 medium

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to cause denial of service through excessive memory consumption due to improper input validation.

CVSS Score

6.5

Medium

EPSS Score

0.1

Exploit Probability

Published Date

2026-05-14

First Seen: 2026-05-17

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 47.8% of all 330,193 vulnerabilities in our database.

#172,448

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 14, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Thanks [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program

SSVC data provided by CISA

Last Modified 2026-05-14

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-770

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
gitlab	gitlab	Affected	> 18.10.0 < 18.10.6
gitlab	gitlab	Affected	> 18.11.0 < 18.11.3
gitlab	gitlab	Affected	> 8.3.0 < 18.9.7

🔗 References 3

https://about.gitlab.com/releases/2026/05/13/patch-r...

Release Notes

https://gitlab.com/gitlab-org/gitlab/-/work_items/57...

Broken Link

https://hackerone.com/reports/3329085

Permissions Required

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-0934	ℹ️ low	3.8	0.2	GitLab has remediated an issue in GitLab EE affecting all versions from 17.9 before 18.11.6, 19.0 before 19.0.3, and 19....	2026-06-25
CVE-2026-10086	⚠️ high	8.7	0.3	GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19....	2026-06-25
CVE-2026-10712	⚠️ high	8.0	0.3	GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.11.6, 19.0 before 19.0.3, and...	2026-06-25
CVE-2026-11379	🔶 medium	5.3	0.2	GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 prior to 18.11.6, 19.0 prior to 19.0.3, an...	2026-06-25
CVE-2026-12053	⚠️ high	8.6	0.3	GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.1 that under certain conditions...	2026-06-25
CVE-2026-12635	🔶 medium	0.0	0.2	GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 1...	2026-06-25

These CVEs affect the same products