CVE-2025-14524

Published: Jan 8, 2026Modified: Sep 15, 2026

5.3

Vector

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

Exploitability: 1.6 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Haxx: Curl

Haxx

1 product

Curl

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Haxx Curl	7.33.0 ≤ version < 8.18.0

Related CWEs

CWE-522

Insufficiently Protected Credentials

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

References (4)

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

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

PatchVendor Advisory

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

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

Vendor Advisory

https://hackerone.com/reports/3459417

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

ExploitIssue TrackingThird Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchThird Party Advisory

Timeline

No history available yet.