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CVE-2025-14524 is a credential exposure vulnerability in curl and libcurl in which an OAuth2 bearer token used for an HTTP or HTTPS transfer can be incorrectly forwarded during a cross-protocol redirect. When a request follows a redirect from HTTP(S) to a URL using IMAP, LDAP, POP3, or SMTP, curl may pass the bearer token to the redirected target host instead of confining it to the original HTTP(S) context. The issue affects curl versions 7.33.0 through 8.17.0 and impacts both the curl command-line tool and applications that use libcurl. The flaw is classified as insufficiently protected credentials because authentication material can be disclosed to an unintended endpoint during redirect handling.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
34 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A curl vulnerability that may cause unintended transmission of sensitive data over incorrect connections.
A third-party curl vulnerability that may unintentionally send sensitive information via an incorrect connection.
A curl open source vulnerability affecting Apple software on macOS Sequoia that may result in unintentionally sending sensitive information via an incorrect connection.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.