Threats Tagged 'cve-2026-75870'
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Threats Tagged 'cve-2026-75870'
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CVE-2026-75870: CWE-1394 Use of Default Cryptographic KeyCVE-2026-75870 0 Punk versions before 0.18 for Perl have a vulnerability where session cookies can be forged due to the use of an empty default HMAC key when no secret is provided. The session mechanism does not enforce or warn about the absence of a secret, resulting in signing and verifying cookies with a zero-length HMAC-SHA256 key. This allows an attacker who understands the cookie format to create valid session cookies with arbitrary contents, such as user identifiers or roles, without detection. Join the discussion | CVE Database V5 | 08/22/2026, 13:35:58 UTC Added: 08/22/2026, 13:52:53 UTC |
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