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Fencer Vulns
critical 9.3

CVE-2025-70948 json

@perfood/couch-auth has a host header injection vulnerability

published 2026-03-05 8 mo ago modified 2026-06-17 4 mo ago also GHSA-qw8v-34ww-6q9p , EUVD-2025-208327

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
8 mo ago

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
GitHub 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
npm @perfood/couch-auth
<=0.26.0
 no fix listed

Classification

Weakness
  • CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.