CVE-2026-12436
⚠️ highSummary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.
CVSS Score
8.4
High
EPSS Score
0.3
Exploit Probability
Published Date
2026-07-29
First Seen: 2026-07-31
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 79.9% of all 353,401 vulnerabilities in our database.
#70,963
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 30, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
🏆 Discovered By
Thanks [a0xnirudh](https://hackerone.com/a0xnirudh) for reporting this vulnerability through our HackerOne bug bounty program
SSVC data provided by
CISA
Last Modified
2026-08-03
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
CWE IDs (Weakness Types)