CVE-2026-63045
Apache HTTP Server: mod_proxy_ftp PASV address handling
Description
Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
INFO
Published Date :
Oct. 1, 2026, 5:17 p.m.
Last Modified :
Oct. 5, 2026, 1:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache HTTP Server to 2.4.69.
- Configure mod_proxy_ftp properly.
- Validate FTP server responses.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-63045.
| URL | Resource |
|---|---|
| https://httpd.apache.org/security/vulnerabilities_24.html | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/10/01/23 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63045 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-63045
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-63045 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63045 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Oct. 05, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (excluding) 2.4.69 Added Reference Type Apache Software Foundation: https://httpd.apache.org/security/vulnerabilities_24.html Types: Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/10/01/23 Types: Mailing List, Third Party Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Oct. 01, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/10/01/23 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 01, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added SSVC {'id': 'CVE-2026-63045', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-01T18:30:13.273627Z'} -
New CVE Received by [email protected]
Oct. 01, 2026
Action Type Old Value New Value Added Description Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Added CWE CWE-284 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/63xxx/CVE-2026-63045.json">CVE-2026-63045</a> Added Reference https://httpd.apache.org/security/vulnerabilities_24.html