SEPTEMBER 18, 2026
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Case File

CVE-2026-82457

HIGH · CVSS 7.8 EPSS 0.12% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-29 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

The vulnerability in su-exec allows attackers to exploit improper validation of numeric user and group identifiers, leading to potential privilege escalation by truncating large values to zero, which corresponds to the root user. This flaw can enable unauthorized execution of programs with root privileges, posing a significant risk to system integrity. Organizations utilizing su-exec should prioritize patching this vulnerability to mitigate the risk of unauthorized access and control over their systems.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-82457
Severity
HIGH
CVSS
7.8
EPSS
0.12%

Original NVD Description

su-exec through 0.3 fails to validate numeric user and group identifiers parsed with strtol before assigning to uid_t and gid_t, allowing truncation of out-of-range values to zero. Attackers can supply large numeric identifiers that truncate to root's identifier, causing su-exec to execute target programs with root privileges instead of intended unprivileged accounts.