CVE-2026-78237

7.8 highEPSS 0.2%

High (7.8). EPSS 0.2% chance of exploitation in the next 30 days.

Insufficient input validation in ABR allows a low-privileged user to inject malicious entries into the sudoers file, resulting in persistent root access that remained effective after the ABR session ended.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2026-08-26
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

References

https://docs.adminbyrequest.com/security-advisories/abr-mac-26-02.htm
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-110/

Check your stack JSON