CVE-2022-39241: Possible Server-Side Request Forgery (SSRF) in webhooks
Discourse is a platform for community discussion. A malicious admin could use this vulnerability to perform port enumeration on the local host or other hosts on the internal network, as well as against hosts on the Internet. Latest stable, beta, and test-passed versions are now patched. As a workaround, self-hosters can use DISCOURSEBLOCKEDIPBLOCKS env var (which overrides blockedipblocks setting) to stop webhooks from accessing private IPs.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-39241?
CVE-2022-39241 has a high severity rating due to its potential exploitation by a malicious admin.
How do I fix CVE-2022-39241?
To fix CVE-2022-39241, update Discourse to version 2.8.10 or later.
What versions of Discourse are affected by CVE-2022-39241?
CVE-2022-39241 affects Discourse versions up to 2.8.10 and various beta versions of 2.9.0.
Who can exploit CVE-2022-39241?
This vulnerability can be exploited by a malicious admin on the Discourse platform.
What type of vulnerability is CVE-2022-39241?
CVE-2022-39241 is a vulnerability that allows for port enumeration on local and remote hosts.