CVE-2026-28780 POC (Proof-of-Concept)

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.
If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.
This issue affects Apache HTTP Server: through 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Published: 2026-05-05

CVSS: 9.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Download CVE-2026-28780 POC (Proof-of-Concept) here:

http://zeroday6mns52t72y3rsle7f72wca5uwn2xzktdysf72flozx7sv4mqd.onion/exploit-for-cve-2026-28780.779/

Tip: Download official Tor Browser at https://www.torproject.org/download/ to access .onion links.

https://hokyo.gr/poc-500-cve-2026-43206/

https://hokyo.gr/poc-762-cve-2026-43510/

https://hokyo.gr/poc-630-cve-2026-40174/

https://hokyo.gr/poc-808-cve-2022-26522/