CVE-2023-49099

Name: CVE-2023-49099
Creator: NVD / NIST
Published: 2024-01-12T21:15:09.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2023-49099 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions	Update
Discourse	Discourse	< 3.1.4	—
Discourse	Discourse	3.2.0	Beta1

References

Timeline

Published: Jan 12, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-49099?

How severe is CVE-2023-49099?

CVE-2023-49099 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-49099?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-49099?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST