CVE-2023-49099

Discourse secure uploads accessible to guests even when login is required

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.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory github.com
Affected: discourse discourse
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/security/advisories/GHSA-j67x-x6mq-pwv4 vendor advisory
https://github.com/discourse/discourse/commit/1b288236387fc0a823e4f15f1aea8dde81b49d53 patch

Frequently Asked Questions

What is the severity of CVE-2023-49099?
CVE-2023-49099 has been scored as a low severity vulnerability.
How to fix CVE-2023-49099?
To fix CVE-2023-49099, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-49099 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-49099 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-49099?
CVE-2023-49099 affects discourse discourse.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.