CVE-2025-70948 @perfood/couch-auth has a host header injection vulnerability
Attackers can spoof the HTTP Host header to steal reset tokens and take over user accounts in the CouchDB authentication library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-70948?
CVE-2025-70948 is a critical authentication bypass vulnerability in n/a, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-644
Which versions are affected by CVE-2025-70948?
2 open source packages ship an affected version, including @perfood/couch-auth.
| Package | Affected | Fixed in |
|---|---|---|
@perfood/couch-auth npm | All versions to 0.26.0 | None |
@perfood/couch-auth npm | All versions to 0.26.0 | None |
How do I fix CVE-2025-70948?
No fix has been published for CVE-2025-70948 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-70948 being exploited?
There is no known exploitation of CVE-2025-70948 in the wild and no public exploit code.
Sources
Also known as GHSA-qw8v-34ww-6q9p.