CVE-2025-14524
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4Description
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.
Analysis
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. [CVSS 5.3 MEDIUM]
Technical Context
Classified as CWE-601 (URL Redirection to Untrusted Site (Open Redirect)). Affects Curl. 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 Products
Vendor: Haxx. Product: Curl.
Remediation
A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.
Priority Score
Vendor Status
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External POC / Exploit Code
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