CVE-2025-8454 Security feature bypass in devscripts
Attackers can bypass OpenPGP verification in uscan by exploiting cached downloads, allowing unverified upstream sources to be accepted.
- 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-2025-8454?
CVE-2025-8454 is a critical vulnerability in Debian devscripts, published on 1 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification if the upstream source is already downloaded from a previous run even if the verification failed back then.
Weakness: CWE-347
Which versions are affected by CVE-2025-8454?
It affects 1 product.
Products include Debian Devscripts.
How do I fix CVE-2025-8454?
No fix has been published for CVE-2025-8454 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8454 being exploited?
There is no known exploitation of CVE-2025-8454 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-8454, GHSA-mw9f-f52p-chpp, UBUNTU-CVE-2025-8454.