Vulnerability · Published Mar 13, 2026 · Assigned by mitre

CVE-2026-32772

Low 3.4

In plain English

A low-severity security flaw in inetutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.4Low
Exploit odds (30 days)0.2%top 90.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24inetutils-telnet2.8-r0ALPINE-CVE-2026-32772
Debian:12inetutils2:2.4-2+deb12u3DEBIAN-CVE-2026-32772
Debian:13inetutils2:2.6-3+deb13u3DEBIAN-CVE-2026-32772
Debian:14inetutils2:2.7-5DEBIAN-CVE-2026-32772
Ubuntu:24.04:LTSinetutils2:2.5-3ubuntu4.2USN-8387-1
Ubuntu:24.04:LTSinetutils2:2.5-3ubuntu4.2UBUNTU-CVE-2026-32772
Ubuntu:25.10inetutils2:2.6-1ubuntu3.2USN-8387-1
Ubuntu:25.10inetutils2:2.6-1ubuntu3.2UBUNTU-CVE-2026-32772
Ubuntu:26.04:LTSinetutils2:2.7-2ubuntu1.1UBUNTU-CVE-2026-32772
Ubuntu:26.04:LTSinetutils2:2.7-2ubuntu1.1USN-8387-1

Affected products (as reported)

VendorProductVersions
GNU inetutils 0 – through 2.7

Weakness: CWE-669 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

References