Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-15079

CVE-2025-15079MEDIUM

curl curl — libssh global known_hosts override

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   R  U  H  N  N    5.3   .0054   43.3     —

AFFECTED
  Product  Versions                                    Fixed
  curl     7.58.0 –                                    —
  curl     c92d2e14cfb0db662f958effd2ac86f995cf1b5a –  —
  curl     8.17.0 –                                    —

TIMELINE
  Dec 24  Reserved by curl
  Jan 8   Published (CNA: curl)
  Sep 15  EXPLOIT PUBLISHED — CVE-2025-15079 (curl). Public exploit reference added.

CWE-297 · CNA: curl · CVSS v3.1 · 4 references · NVD status: Modified

Description

When doing SSH-based transfers using either SCP or SFTP, and setting the known_hosts file, libcurl could still mistakenly accept connecting to hosts *not present* in the specified file if they were added as recognized in the libssh *global* known_hosts file.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
December 24, 2025	Reserved	Reserved by curl
January 8, 2026	Published	Published (CNA: curl)
September 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2025-15079 (curl). Public exploit reference added.

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	7.58.0	—
curl	curl	—	c92d2e14cfb0db662f958effd2ac86f995cf1b5a	—
curl	curl	—	8.17.0	—

Weaknesses

CWE-297

References (4)

http://www.openwall.com/lists/oss-security/2026/01/07/6 [Mailing List, Patch, Third Party Advisory]
https://curl.se/docs/CVE-2025-15079.html [Patch, Vendor Advisory]
https://curl.se/docs/CVE-2025-15079.json [Vendor Advisory]
https://hackerone.com/reports/3477116 [Exploit, Issue Tracking, Third Party Advisory]

Authoritative record: CVE-2025-15079 at cve.org

Vendors: curl

Weaknesses: CWE-297

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-15079 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.