How severe is CVE-2025-70886?

CVE-2025-70886 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-70886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-70886?

CVE-2025-70886 affects Halo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-70886?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-70886 have an EU (EUVD) identifier?

Yes. CVE-2025-70886 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207234.

When was CVE-2025-70886 published?

CVE-2025-70886 was published on 2026-02-12 and last updated on 2026-06-17.

CVE-2025-70886

CVE-2025-70886 is a high-severity vulnerability in Halo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207234
Weakness: CWE-400
Affected product: Halo
Published: 2026-02-12
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2025-70886?: CVE-2025-70886 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-70886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-70886?: CVE-2025-70886 affects Halo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-70886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-70886 have an EU (EUVD) identifier?: Yes. CVE-2025-70886 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207234.
When was CVE-2025-70886 published?: CVE-2025-70886 was published on 2026-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:halo:halo:*:*:*:*:*:*:*:*

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