CVE-2026-11366

The MonsterInsights WordPress plugin (versions before 11.1.0 ) is vulnerable to an unauthenticated signature validation bypass. When the plugin is not connected to Google Analytics, the HMAC signing key is empty, allowing attackers to forge a valid signature. This enables unauthenticated actors t...

CVE-2026-11366: Improper Authentication

The MonsterInsights WordPress plugin before 11.1.0 does not correctly validate the signature on one of its unauthenticated AJAX actions: when the MonsterInsights WordPress plugin before 11.1.0 is not connected to Google Analytics the HMAC signing key is empty, which lets unauthenticated attackers...

RUSTSEC-2026-0329 Auto-Reseeding HMAC-DRBG could panic for some output lengths

The automatically reseeding implementations of HMAC-DRBG would panic if called with a desired non-zero output length cleanly divisible by 65536, the maximum number of output bytes that can be generated before reseeding has to happen. Impact An application relying on libcrux-hmac-drgb to provide...

Auto-Reseeding HMAC-DRBG could panic for some output lengths

The automatically reseeding implementations of HMAC-DRBG would panic if called with a desired non-zero output length cleanly divisible by 65536, the maximum number of output bytes that can be generated before reseeding has to happen. Impact An application relying on libcrux-hmac-drgb to provide...

Security Bulletin: IBM MAS uses axios-1.15.2, protobufjs-8.0.1 and undici-7.26 which is vulnerable to multiple CVEs, and contains vulnerabilities related to missing Secure attribute on mas-redirect-uri cookie and weak HMAC Session Secret

Summary IBM Maximo Application Suite uses axios-1.15.2.tgz, protobufjs-8.0.1.tgz, protobufjs-8.2.0.tgz and undici-7.26.0.tgz which is vulnerable to CVE-2026-11525, CVE-2026-12151, CVE-2026-6733, CVE-2026-6734, CVE-2026-9678, CVE-2026-9679, CVE-2026-9697, CVE-2026-54270, CVE-2026-45740,...

PT-2026-107470

The automatically reseeding implementations of HMAC-DRBG would panic if called with a desired non-zero output length cleanly divisible by 65 536, the maximum number of output bytes that can be generated before reseeding has to happen. Impact An application relying on libcrux-hmac-drgb to provide...

RUSTSEC-2026-0227 NIP-44 v2 decryption permits resource exhaustion

The NIP-44 decryption entry point Base64-decoded the complete attacker-controlled payload before determining its version or enforcing any size limit. For v2 payloads, the decoded buffer was then authenticated with HMAC even when it was much larger than the maximum payload supported by the crate's...

PT-2026-76511

The NIP-44 decryption entry point Base64-decoded the complete attacker-controlled payload before determining its version or enforcing any size limit. For v2 payloads, the decoded buffer was then authenticated with HMAC even when it was much larger than the maximum payload supported by the crate's...

CVE-2026-53501

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

CVE-2026-53501 Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

CVE-2026-53501

Thumbor (open-source image thumbnail service by globo.com) is affected prior to version 7.8.0. The vulnerability stems from using Python’s .replace() to strip the signature from the URL before HMAC validation, which removes all occurrences of the substring. An attacker can insert the same signatu...

CVE-2026-53501 Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

CVE-2026-53501: Improper Verification of Cryptographic Signature

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can insert...

PT-2026-66838

Name of the Vulnerable Software and Affected Versions Thumbor versions prior to 7.8.0 Description HMAC validation can be bypassed due to the use of the Python .replace method when removing the signature from the URL before validation. Because .replace removes all occurrences of the substring rath...

K000162694: WolfSSL vulnerabilities CVE-2026-6092, CVE-2026-6331, and CVE-2026-55964

Security Advisory Description CVE-2026-6092 When HAVEENCRYPTTHENMAC is configured, the implementation could fall back to MAC-then-Encrypt rather than enforcing Encrypt-then-MAC. CVE-2026-6331 HMAC zero-length tag forgery in EVPDigestVerifyFinal, where a zero-length tag could be accepted as valid...

CVE-2026-14490

The CVE concerns the Demi – One Click Demo Import, WP Backup & Site Migration WordPress plugin. All versions up to 0.0.7 are affected due to the plugin storing its HMAC signing key and per-step restore token as dotfiles inside a publicly accessible uploads subdirectory without protection. The una...

GO-2026-6060 Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write in code.gitea.io/gitea

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write in code.gitea.io/gitea...

PT-2026-65358

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write in code.gitea.io/gitea...

PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed

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MiracleLinux 9 : openssl-3.5.5-4.el9_8.ML.1 (AXSA:2026-1339:14)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1339:14 advisory. openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing CVE-2026-7383 openssl: OpenSSL: Denial of Service due...