Apache: Security Vulnerabilities
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 servers.
Users are recommended to upgrade to version 2.0.1, which fixes the issue.
CVSS Score
6.5
EPSS Score
0.004
Published
2026-06-09
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.0.
User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML into emails sent to other users.
Users are recommended to upgrade to version 2.0.1, which fixes the issue.
CVSS Score
5.4
EPSS Score
0.004
Published
2026-06-09
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.
Users are recommended to upgrade to version 2.0.1, which fixes the issue.
CVSS Score
6.5
EPSS Score
0.003
Published
2026-06-09
Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.0.
AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed.
Users are recommended to upgrade to version 2.0.1, which fixes the issue.
CVSS Score
6.1
EPSS Score
0.004
Published
2026-06-09
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 to version 2.0.1, which fixes the issue.
CVSS Score
6.1
EPSS Score
0.004
Published
2026-06-09
Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests.
This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
CVSS Score
7.5
EPSS Score
0.115
Published
2026-06-08
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.
This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
CVSS Score
7.3
EPSS Score
0.005
Published
2026-06-08
Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.
CVSS Score
6.5
EPSS Score
0.005
Published
2026-06-08
Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user.
This issue affects Apache HTTP Server: from through 2.4.67.
Users are recommended to upgrade to version 2.4.68, which fixes the issue.
CVSS Score
5.5
EPSS Score
0.002
Published
2026-06-08
Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.
Users are recommended to upgrade to version 2.4.68, which fixes the issue.
CVSS Score
7.3
EPSS Score
0.006
Published
2026-06-08