What is the CVSS score of CVE-2025-70886?

CVE-2025-70886 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Halo are affected by CVE-2025-70886?

A high-severity denial of service vulnerability (CVE-2025-70886) affects Halo v2.22.4 and earlier versions, allowing remote attackers to disrupt service availability through the public comment…

Is there a public PoC exploit available for CVE-2025-70886?

Yes, a public proof-of-concept exploit is available for CVE-2025-70886. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-70886?

Within 24 hours: Identify all Halo instances running v2.22.4 or earlier and assess their criticality; implement WAF rules to block malformed payloads to the comment submission endpoint. Within 7 days: Deploy network segmentation to restrict public access to comment endpoints if non-critical, or implement rate limiting and input validation controls. Within 30 days: Monitor vendor communications for patch availability; evaluate upgrading to patched versions or migrating to alternative solutions if patches remain unavailable.

Halo CVE-2025-70886

HIGH

Uncontrolled Resource Consumption (CWE-400)

2026-02-12 cve@mitre.org

Denial Of Service Halo

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Feb 18, 2026 - 15:45 vuln.today

Public exploit code

CVE Published

Feb 12, 2026 - 16:16 nvd

HIGH 7.5

DescriptionCVE.org

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

AnalysisAI

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 [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-400 (Uncontrolled Resource Consumption). Affects Halo. 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

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2025-70886 vulnerability details – vuln.today

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Halo CVE-2025-70886

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code