How severe is CVE-2025-70948?

CVE-2025-70948 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-70948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-70948?

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

Does CVE-2025-70948 have an EU (EUVD) identifier?

Yes. CVE-2025-70948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208327.

When was CVE-2025-70948 published?

CVE-2025-70948 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2025-70948

CVE-2025-70948 is a critical-severity vulnerability with a CVSS 3.x base score of 9.3. 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-644.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208327
Weakness: CWE-644
Published: 2026-03-05
Last modified: 2026-06-17

Description

A host header injection vulnerability in the mailer component of @perfood/couch-auth v0.26.0 allows attackers to obtain reset tokens and execute an account takeover via spoofing the HTTP Host header.

Frequently asked questions

What is CVE-2025-70948?: A host header injection vulnerability in the mailer component of @perfood/couch-auth v0.26.0 allows attackers to obtain reset tokens and execute an account takeover via spoofing the HTTP Host header.
How severe is CVE-2025-70948?: CVE-2025-70948 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-70948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-70948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-70948 have an EU (EUVD) identifier?: Yes. CVE-2025-70948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208327.
When was CVE-2025-70948 published?: CVE-2025-70948 was published on 2026-03-05 and last updated on 2026-06-17.

References

Other CWE-644 vulnerabilities

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CVE-2025-64484 — High (CVSS 8.5): OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component…
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