Vulnerability · Published Aug 26, 2026 · Assigned by CSA
CVE-2026-78237Insufficient input validation in Admin By Request (ABR)
High 7.8
In plain English
A high-severity improper input validation in Admin By Request (ABR) from Admin By Request (ABR). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Admin By Request (ABR) | Admin By Request (ABR) | 5.2.2 and below |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H