Threats Tagged 'cve-2026-72889'
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Threats Tagged 'cve-2026-72889'
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CVE-2026-72889: CWE-347 Improper Verification of Cryptographic SignatureCVE-2026-72889 0 Net::OAuth for Perl versions before 0.33 allow the sender of a message to dictate the signature verification algorithm, enabling signature forgery. This occurs because the verify function uses the signature_method parameter from the incoming message to select the verification algorithm without enforcing a pinned method. In cases where the provider uses RSA-SHA1 but the client specifies HMAC-SHA1, the signature is checked against a placeholder key, which can be guessed, allowing an attacker to forge requests for any consumer key and token. Join the discussion | CVE Database V5 | 08/19/2026, 07:20:09 UTC Added: 08/19/2026, 07:34:54 UTC |
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