CVEvulnerability
CVE-2023-28111
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-918
Description
Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the `beta` and `tests-passed` branches, attackers are able to bypass Discourse's server-side request forgery (SSRF) protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the latest beta and tests-passed version of Discourse. version 3.1.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.
Affected configurations
• discourse discourse (< 3.1.0)
• discourse discourse 3.1.0
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/discourse/discourse/commit/fd16eade7fcc6bba4b71e71106a2eb13cdfdae4a Patch
- https://github.com/discourse/discourse/pull/20710 Patch
- https://github.com/discourse/discourse/security/advisories/GHSA-26h3-8ww8-v5fc Vendor Advisory
- https://github.com/discourse/discourse/commit/fd16eade7fcc6bba4b71e71106a2eb13cdfdae4a Patch
- https://github.com/discourse/discourse/pull/20710 Patch
- https://github.com/discourse/discourse/security/advisories/GHSA-26h3-8ww8-v5fc Vendor Advisory