CVE-2026-75031 Code injection in Interchange
Unauthenticated attackers can inject and execute arbitrary Perl code via the quick question admin feature, leading to remote code execution.
- 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-2026-75031?
CVE-2026-75031 is a critical code injection vulnerability in Interchange, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the interchange/interchange project, a critical remote code execution (RCE) vulnerability was found in the “quick question” admin feature. In default installations arbitrary Perl code can be injected and executed server-side by unauthenticated users. The Perl code normally runs within a Safe container which limits the scope of what it can do, unless the non-default AllowGlobal directive is configured for the catalog being accessed.CTOR]
Weakness: CWE-94
Which versions are affected by CVE-2026-75031?
How do I fix CVE-2026-75031?
No fix has been published for CVE-2026-75031 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-75031 being exploited?
There is no known exploitation of CVE-2026-75031 in the wild and no public exploit code.
Sources
Also known as GHSA-84xw-5r3f-vrrr.