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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductHaxx Curl
PublishedJan 8, 2026
First seenJan 8, 2026
Weakness typeCWE-522CWE-522

How to fix

Update
  • haxx curl8.18.0 or later

Affected products

ProductAffected versionsFixed in
haxx curl7.33.0 ≤ v < 8.18.08.18.0

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