CVE-2025-14524

medium

Description

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new target host.

References

https://hackerone.com/reports/3459417

https://curl.se/docs/CVE-2025-14524.json

https://curl.se/docs/CVE-2025-14524.html

http://www.openwall.com/lists/oss-security/2026/01/07/4

Details

Source: Mitre, NVD

Published: 2026-01-08

Updated: 2026-01-09

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00016