What is CVE-2023-49099?

CVE-2023-49099 is a low-severity vulnerability in Discourse, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-01-12.

How severe is CVE-2023-49099?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Discourse

CVE-2023-49099

Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4.

Published 2024-01-12 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (22.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Discourse — versions >= 3.2.0beta1, < 3.2.0.beta4, 3.2.0, < 3.1.4

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4 (Vendor Advisory)
github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53 (Patch)

Frequently asked questions

What is CVE-2023-49099?: CVE-2023-49099 is a low-severity vulnerability in Discourse, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-01-12.
How severe is CVE-2023-49099?: Low severity. CVSS v3 base score is 3.1 out of 10.