CVE-2025-15079

EUVD-2026-1575
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA-ADPADP
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
haxxcurl
7.58.0 ≤
𝑥
< 8.18.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
curl
bookworm
unimportant
bookworm (security)
unimportant
bullseye
unimportant
bullseye (security)
unimportant
forky
8.18.0-2
fixed
sid
8.19.0~rc2-2
fixed
trixie
unimportant
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://curl.se/docs/CVE-2025-15079.html
https://curl.se/docs/CVE-2025-15079.json
https://hackerone.com/reports/3477116
http://www.openwall.com/lists/oss-security/2026/01/07/6