Astra Linux – Vulnerability in dovecot

Dovecot OTP authentication is vulnerable to replay attacks under certain conditions. If the auth cache is enabled, and the username is changed in passdb, then the OTP credentials can be cached, making the same OTP response valid. An attacker who can observe the OTP exchange can log in as the user...

CVE-2026-46554 NocoDB: Stale Auth Cache After API Token Deletion

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.4, deleted API tokens continued to authenticate requests until their cache entry expired, because the auth cache was not invalidated by token value at deletion time. The API token deletion path removed the database row bu...

CVE-2026-46554

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.4, deleted API tokens continued to authenticate requests until their cache entry expired, because the auth cache was not invalidated by token value at deletion time. The API token deletion path removed the database row bu...

CVE-2026-46554 NocoDB: Stale Auth Cache After API Token Deletion

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.4, deleted API tokens continued to authenticate requests until their cache entry expired, because the auth cache was not invalidated by token value at deletion time. The API token deletion path removed the database row bu...

CVE-2026-46554

NocoDB prior to 2026.04.4 is affected by a stale-auth-cache issue: when an API token is deleted, the auth cache entry keyed by the token value is not evicted, allowing the token to continue authenticating until the cache entry expires. This creates a deletion-to-revocation window of up to three d...

CVE-2026-46554: Insufficient Session Expiration

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.4, deleted API tokens continued to authenticate requests until their cache entry expired, because the auth cache was not invalidated by token value at deletion time. The API token deletion path removed the database row bu...

PT-2026-42622

Summary Deleted API tokens continued to authenticate requests until their cache entry expired, because the auth cache was not invalidated by token value at deletion time. Details The API token deletion path removed the database row but did not evict the token-value keyed entry from the auth cache...

PT-2026-42680

Name of the Vulnerable Software and Affected Versions NocoDB versions prior to 2026.04.4 Description Deleted API tokens continue to authenticate requests until their cache entry expires because the authentication cache is not invalidated by the token value during deletion. The deletion process...

CLSA-2026-1778573628 dovecot: Fix of 2 CVEs

CVE-2026-27855: use translated username in authcacheremove to prevent OTP authentication replay attack - CVE-2026-27856: use timing-safe credential comparison in doveadm HTTP and TCP authentication paths...

GHSA-258C-965C-P3HC Daptin's Session Management Vulnerability Leads to Insufficient Session Expiration After Password Change

Summary A session invalidation vulnerability exists in daptin's authentication system where JSON Web Tokens JWTs remain fully valid after a user changes their password. The JWT validation middleware CheckJWT only verifies token signature, expiry, issuer, and signing algorithm — it does not check...

SUSE CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

EUVD-2026-16563

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

AZL-81701 CVE-2026-27855 affecting package dovecot 2.3.20-1

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

ALPINE-CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to a replay attack under specific conditions: if auth cache is enabled and the username is altered in passdb, OTP credentials can be cached so that the same OTP response remains valid. An attacker who observes an OTP exchange can log in as the targeted use...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855: Authentication Bypass by Capture-replay

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...