What is CVE-2025-70886?

CVE-2025-70886 is a high-severity vulnerability in Halo, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-02-12.

How severe is CVE-2025-70886?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-70886 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Halo

CVE-2025-70886

An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Halo
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

HowieHz/CVE-2025-70886

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-70886?: CVE-2025-70886 is a high-severity vulnerability in Halo, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-02-12.
How severe is CVE-2025-70886?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-70886 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.