CVE-2026-58415
Description
A flaw was found in the mod_dav_fs module of the Apache HTTP Server. A remote attacker can exploit this vulnerability by sending an HTTP GET request directly to the internal WebDAV (Web Distributed Authoring and Versioning) state directory. This allows unauthorized access to internal state files, resulting in information disclosure of stored resource metadata and properties.
Mitigation
To mitigate this flaw, block direct HTTP requests to the internal WebDAV state directory, or disable the mod_dav_fs module if WebDAV functionality is not required.
1. Block access to the .DAV directory:
Create or edit a configuration snippet, such as `/etc/httpd/conf.d/block-dav-state.conf`, with the following directive:
<LocationMatch "(^|/)\.DAV">
Require all denied
</LocationMatch>
2. Alternatively, disable the module if WebDAV is not used:
Comment out the following line in `/etc/httpd/conf.modules.d/00-dav.conf`:
# LoadModule dav_fs_module modules/mod_dav_fs.so
3. Apply changes:
Verify the configuration syntax:
# apachectl configtest
Reload the service:
# systemctl reload httpd
Warning: Reloading or restarting httpd will impact active network connections. Ensure configuration syntax is validated before reloading to avoid service interruption. Disabling mod_dav_fs will stop all WebDAV filesystem storage operations.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.3 | N/A | 5.3 |
| Attack Vector | Network | N/A | Network |
| Attack Complexity | Low | N/A | Low |
| Privileges Required | None | N/A | None |
| User Interaction | None | N/A | None |
| Scope | Unchanged | N/A | Unchanged |
| Confidentiality | Low | N/A | Low |
| Integrity Impact | None | N/A | None |
| Availability Impact | None | N/A | None |
Vector
Red Hat: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cve.org: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Understanding the Weakness (CWE)
Confidentiality,Integrity
Technical Impact: Read Files or Directories; Modify Files or Directories
Frequently Asked Questions
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