CVE-2025-70949 @perfood/couch-auth has an Observable Timing Discrepancy

High 7.5 Published Updated

Attackers can exploit timing discrepancies in the authentication library to access sensitive information via a side-channel attack.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-70949?

CVE-2025-70949 is a high-severity vulnerability in n/a, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An observable timing discrepancy in @perfood/couch-auth v0.26.0 allows attackers to access sensitive information via a timing side-channel.

Weakness: CWE-208

Which versions are affected by CVE-2025-70949?

2 open source packages ship an affected version, including @perfood/couch-auth.

PackageAffectedFixed in
@perfood/couch-auth npmAll versions to 0.26.0None
@perfood/couch-auth npmAll versions to 0.26.0None

How do I fix CVE-2025-70949?

No fix has been published for CVE-2025-70949 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-70949 being exploited?

There is no known exploitation of CVE-2025-70949 in the wild and no public exploit code.

Sources

Also known as GHSA-mjqr-5c55-g77h.

Is CVE-2025-70949 in your software?

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