What is CVE-2026-75031?

CVE-2026-75031 is a critical-severity vulnerability in Interchange, classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-18.

How severe is CVE-2026-75031?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Interchange

CVE-2026-75031

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]

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Interchange

Weakness classification (CWE)

CWE-94 — Code Injection

References

74b3a70d-cca6-4d34-9789-e83b222ae3be (vendor-advisory)
74b3a70d-cca6-4d34-9789-e83b222ae3be (patch)

Frequently asked questions

What is CVE-2026-75031?: CVE-2026-75031 is a critical-severity vulnerability in Interchange, classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-18.
How severe is CVE-2026-75031?: Critical severity. CVSS v3 base score is 9.8 out of 10.