Threat Intelligence / CVE / CVE-2026-24061

CVE-2026-24061 — Gnu Inetutils

CISA KEV
CVSS v3.1 9.8 (CRITICAL) · EPSS 88.0% (higher than 99.4% of all scored CVEs) · Priority 9/10 · Published 2026-01-21

As of 2026-02-11, CVE-2026-24061 is a CRITICAL-severity vulnerability in Gnu Inetutils, CVSS v3.1 9.8, EPSS 88.0% (99.4th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-01-26), with a US federal remediation deadline of 2026-02-16. Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-24061, most recently “CVE-2026-32746: Pre-Auth BSS Buffer Overflow in GNU inetutils telnetd LINEMODE SLC Handling”.

Last updated: 2026-02-11

What is CVE-2026-24061?

telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.

The record classifies CVE-2026-24061 under weakness class CWE-88. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 2 vendors, listed below. The identifier was first published 235 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
88.0% probability of exploitation in the next 30 days, higher than 99.4% of all scored CVEs
CISA KEV
Listed since 2026-01-26, federal remediation deadline 2026-02-16
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2026-01-21, last modified 2026-02-11

Is CVE-2026-24061 being exploited?

CISA added CVE-2026-24061 to the Known Exploited Vulnerabilities catalog on 2026-01-26, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-02-16 under BOD 22-01. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-24061

The record marks a vendor fix as available for CVE-2026-24061. Patch reference: https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b. Vendor advisory: https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc. Because CVE-2026-24061 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-02-16. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-24061

2 tracked threats in the Threadlinqs corpus reference CVE-2026-24061, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-24061 are available via the Threadlinqs MCP server (Purple tier). View plans →

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