What is CVE-2022-31182?

CVE-2022-31182 is a medium-severity vulnerability in Discourse, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2022-08-01.

How severe is CVE-2022-31182?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Discourse

CVE-2022-31182

Discourse is the an open source discussion platform. In affected versions a maliciously crafted request for static assets could cause error responses to be cached by Discourse's default NGINX proxy configuration. A corrected NGINX configuration is included in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Published 2022-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.008 (54.3th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Discourse — versions < 2.8.7, 2.9.0, < 2.9.0.beta8

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

github.com/discourse/discourse/security/advisories/GHSA-4ff8-3j78-w6pp (Third Party Advisory)
github.com/discourse/discourse/commit/7af25544c3940c4d046c51f4cfac9c72a06d4f50 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-31182?: CVE-2022-31182 is a medium-severity vulnerability in Discourse, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2022-08-01.
How severe is CVE-2022-31182?: Medium severity. CVSS v3 base score is 5.3 out of 10.