CVE-2021-41271

Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

• CWE-200

• https://github.com/discourse/discourse/commit/2da0001965c6d8632d723c46ea5df9f22a1a23f1Patch, Third Party Advisory
• https://github.com/discourse/discourse/security/advisories/GHSA-hf6r-mc9j-hf4pThird Party Advisory
• https://github.com/discourse/discourse/commit/2da0001965c6d8632d723c46ea5df9f22a1a23f1Patch, Third Party Advisory
• https://github.com/discourse/discourse/security/advisories/GHSA-hf6r-mc9j-hf4pThird Party Advisory

Published

Nov 15, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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