PT-2026-7853 · Halo · Halo

Published 2026-02-12 · Updated 2026-02-18 · CVE-2025-70886

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions halo versions 2.22.4 and earlier

Description An issue allows a remote attacker to cause a denial of service by sending a crafted payload to the public comment submission endpoint. The vulnerable endpoint is /public/comment. The payload is submitted via the comment submission process.

Recommendations Versions prior to 2.22.4 are affected. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2025-70886

Affected Products

Halo

References · 7

• 🔥 https://github.com/HowieHz/CVE-2025-70886 · Exploit
• 🔥 https://howiehz.top/archives/halo-comment-payload-tweaker · Exploit
• https://github.com/halo-dev/halo/issues/7890 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-70886 · Security Note
• https://osv.dev/vulnerability/CVE-2025-70886 · Vendor Advisory
• https://t.me/CVEtracker/44539 · Telegram Post
• https://t.me/cveNotify/152351 · Telegram Post