CVE-2026-71883

In Bouncy Castle for Java LTS before 2.73.13, the one-shot native packet ciphers for AES-CBC, CCM, CFB, CTR, GCM and GCM-SIV released the caller's key, IV and additional authenticated data arrays with JNI's ReleaseByteArrayElements in mode 0, which commits the native copy back into the Java array...

EUVD-2026-91992

In Bouncy Castle for Java LTS before 2.73.13, the one-shot native packet ciphers for AES-CBC, CCM, CFB, CTR, GCM and GCM-SIV released the caller's key, IV and additional authenticated data arrays with JNI's ReleaseByteArrayElements in mode 0, which commits the native copy back into the Java array...

CVE-2026-71883 Native AES packet cipher returns the raw AES key on an alias

In Bouncy Castle for Java LTS before 2.73.13, the one-shot native packet ciphers for AES-CBC, CCM, CFB, CTR, GCM and GCM-SIV released the caller's key, IV and additional authenticated data arrays with JNI's ReleaseByteArrayElements in mode 0, which commits the native copy back into the Java array...

CVE-2026-71883 Native AES packet cipher returns the raw AES key on an alias

In Bouncy Castle for Java LTS before 2.73.13, the one-shot native packet ciphers for AES-CBC, CCM, CFB, CTR, GCM and GCM-SIV released the caller's key, IV and additional authenticated data arrays with JNI's ReleaseByteArrayElements in mode 0, which commits the native copy back into the Java array...

CVE-2026-18110-PoC

CVE-2026-18110 — Concrete CMS Unauthenticated User Enumeration Summary Concrete CMS 9.0.0 through 9.5.2 does not perform an authorization check on the user selector autocomplete endpoint /ccm/system/user/autocomplete, which backs the "Preview as User" panel and other user-selector components. Thi...

CVE-2026-15999

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

CVE-2026-16000

The bc-csharp library (before version 2.7.0 ) by Legion of the Bouncy Castle Inc. contains a missing cryptographic step in the DSTU 7624 CCM mode implementation (KCcmBlockCipher ). The vulnerability occurs because the G1 block , which is responsible for binding the nonce , message length, and par...

CVE-2026-16000 KCcmBlockCipher (DSTU 7624 CCM) tag not bound to nonce when no associated data is used

Missing cryptographic step in the DSTU 7624 CCM mode implementation KCcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can observe encrypted messages of known or chosen content to forge ciphertexts with valid authentication tags, via messages encrypt...

CVE-2026-16000 KCcmBlockCipher (DSTU 7624 CCM) tag not bound to nonce when no associated data is used

Missing cryptographic step in the DSTU 7624 CCM mode implementation KCcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can observe encrypted messages of known or chosen content to forge ciphertexts with valid authentication tags, via messages encrypt...

EUVD-2026-91205

Missing cryptographic step in the DSTU 7624 CCM mode implementation KCcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can observe encrypted messages of known or chosen content to forge ciphertexts with valid authentication tags, via messages encrypt...

CVE-2026-15999

The bc-csharp library by Bouncy Castle Inc. is vulnerable to improper validation of integrity check values in its AES-CCM implementation in versions before 2.7.0 . The CcmParameters class accepts arbitrary values for the authentication tag (aes-ICVlen), and CcmBlockCipher only validates this leng...

CVE-2026-15999 AES-CCM decryption accepts zero or out-of-range tag length, bypassing authentication

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

CVE-2026-15999 AES-CCM decryption accepts zero or out-of-range tag length, bypassing authentication

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

EUVD-2026-91204

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

CVE-2026-15999 AES-CCM decryption accepts zero or out-of-range tag length, bypassing authentication

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

PT-2026-104100

Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...

Rocky Linux 8 [CIQ] Security Update: apcu-panel / libzip / libzip-debuginfo / libzip-debugsource / etc Multiple Vulnerabilities (crlsa-2021_4213)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20214213 advisory. php: Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV CVE-2020-7069 php: FILTERVALIDATEURL accepts URLs with invalid userinfo CVE-2020-7071 php...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.2:CLSA-2024:1709548308)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1709548308 advisory. - Issue summary: A bug has been identified in the processing of key and initialisation vector IV lengths. This can lead to potential truncati...

CVE-2026-85387

Concrete CMS before 9.5.4 re-authorized OAuth REST API requests from the bearer token alone and did not re-check the state of the account the token had been issued to. The resource server's authorization validator confirmed only that a token existed, had not expired, and had not been explicitly...

CVE-2026-87031

n Concrete CMS 9.2.0 through 9.5.3, the REST API user creation endpoint POST /ccm/api/1.0/users, the add method of concrete/src/Api/Controller/Users.php did not perform a permission check before creating an account. As a result, any valid OAuth token carrying the users:add scope, including a...