Apache Software Foundation Apache Answer vulnerabilities

CVE-2026-90910 [CRITICAL] CWE-306 CVE-2026-90910: Missing authentication for critical function vulnerability in Apache Answer. This issue affects A Missing authentication for critical function vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. The reaction API did not enforce content visibility controls, allowing unauthorized users to read reaction metadata from restricted content or add and remove their own reactions. Users are recommended to upgrade to versi

CVE-2024-22393 [CRITICAL] CWE-434 CVE-2024-22393: Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.This issue affects Ap Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Pixel Flood Attack by uploading large pixel files will cause server out of memory. A logged-in user can cause such an attack by uploading an image when posting content. Users are recommended to upgrade to version [1.2.5]

CVE-2026-60053 [CRITICAL] CWE-613 CVE-2026-60053: Insufficient Session Expiration vulnerability in Apache Answer. This issue affects Apache Answer: t Insufficient Session Expiration vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Administrative API keys remained usable after the owning administrator was demoted or the account was marked inactive, suspended, or deleted, allowing continued access until the keys were explicitly removed. Users are recommended to up

CVE-2026-64943 [HIGH] CWE-532 CVE-2026-64943: Insertion of Sensitive Information into Log File vulnerability in Apache Answer. This issue affec Insertion of Sensitive Information into Log File vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. Full API keys are written to application logs on every authenticated request, allowing anyone with log-read access to recover and replay active bearer credentials. Users are recommended to upgrade to version 2.0.3, which

CVE-2026-48911 [HIGH] CWE-306 CVE-2026-48911: Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects A Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. Users are recommende

CVE-2026-24735 [HIGH] CWE-359 CVE-2026-24735: Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. T Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 1.7.1. An unauthenticated API endpoint incorrectly exposes full revision history for deleted content. This allows unauthorized user to retrieve restricted or sensitive information. Users are recommended to upgrad

CVE-2026-25700 [HIGH] CWE-1259 CVE-2026-25700: Improper Restriction of Security Token Assignment vulnerability in Apache Answer. This issue affect Improper Restriction of Security Token Assignment vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Previously issued administrative tokens were not invalidated after an administrator account was suspended, deleted, or deactivated, allowing continued access to administrative APIs until the token expired. Users are reco

CVE-2026-60023 [HIGH] CWE-200 CVE-2026-60023: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This iss Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Deleted or pending answers could be retrieved by unauthorized users through the single-answer read path when the parent question remained visible, exposing answer content that should not have been accessible. Use

CVE-2026-48834 [HIGH] CWE-400 CVE-2026-48834: Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer. This issue affe Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing. Users are recommended to upgrade to version 2.0.2, which fix

CVE-2026-33582 [MEDIUM] CWE-434 CVE-2026-33582: Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. A crafted TIFF image could trigger excessive memory allocation during image decoding, allowing an authenticated user to cause the server process to crash. Users are recommended to upgrade to version 2.0.1, which fixes the

CVE-2026-50749 [MEDIUM] CWE-863 CVE-2026-50749: Improper Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2. Improper Authorization vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. Any authenticated user can reject arbitrary pending edit-revisions without review permission due to a missing authorization check on the reject operation. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVE-2026-34031 [MEDIUM] CWE-434 CVE-2026-34031: Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The server did not sufficiently validate user-supplied image URLs, allowing arbitrary external content to be embedded as profile images, which could expose users to unintended external requests and tracking by third-party

CVE-2026-34905 [MEDIUM] CWE-200 CVE-2026-34905: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This iss Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users to discover and access unlisted questions, their answers, comments, and revision history.

CVE-2026-48912 [MEDIUM] CWE-639 CVE-2026-48912: Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through Improper Input Validation vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

CVE-2025-29868 [MEDIUM] CWE-495 CVE-2025-29868: Private Data Structure Returned From A Public Method vulnerability in Apache Answer. This issue aff Private Data Structure Returned From A Public Method vulnerability in Apache Answer. This issue affects Apache Answer: through 1.4.2. If a user uses an externally referenced image, when a user accesses this image, the provider of the image may obtain private information about the ip address of that accessing user. Users are recommended to upgrade t

CVE-2026-86589 CWE-303 CVE-2026-86589: Incorrect implementation of authentication algorithm vulnerability in Apache Answer. This issue a Incorrect implementation of authentication algorithm vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A flaw in the User Center login integration can cause a newly created external user session to omit its external identity, allowing subsequent requests to bypass central account suspension or deletion checks until the session

CVE-2026-25699 [MEDIUM] CWE-359 CVE-2026-25699: Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. T Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. Timeline-related APIs lacked proper authorization checks, allowing regular authenticated users to access deleted, private, or unapproved content and its revision history. Users are recommended to upgrade

CVE-2026-79613 CWE-202 CVE-2026-79613: vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. Unauthenticat vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. Unauthenticated attackers could access comments associated with non-public content through public user profiles. Users are recommended to upgrade to version 2.0.3, which fixes the issue.

CVE-2024-26578 [MEDIUM] CWE-362 CVE-2024-26578: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerab Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Answer.This issue affects Apache Answer: through 1.2.1. Repeated submission during registration resulted in the registration of the same user. When users register, if they rapidly submit multiple registrations using scripts, it can re

CVE-2026-67249 [MEDIUM] CWE-863 CVE-2026-67249: A vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A verificatio A vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. A verification code issued for one email-based workflow could be accepted by another sensitive workflow because the code purpose was not properly enforced. Users are recommended to upgrade to version 2.0.3, which fixes the issue.