CVE-2023-23620 json
Discourse restricted tag routes leak topic information
published 2023-01-27 3 y ago modified 2026-09-08 2 mo ago also BIT-discourse-2023-23620 , EUVD-2023-27714 , GHSA-hvj9-g84x-5prx
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
Discourse is an open-source discussion platform. Prior to version 3.0.1 on the `stable` branch and 3.1.0.beta2 on the `beta` and `tests-passed` branches, the contents of latest/top routes for restricted tags can be accessed by unauthorized users. This issue is patched in version 3.0.1 on the `stable` branch and 3.1.0.beta2 on the `beta` and `tests-passed` branches. There are no known workarounds.
Patch / fix
- bitnami discourse 3.0.1
- discourse discourse 3.0.1
- github.com/discourse/discourse@105fee9 commit
- github.com/discourse/discourse#20004 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | discourse | <3.0.1 |
3.0.1 |
Affected products
- discourse discourse
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
github.com
/discourse/discourse/commit/105fee978d73b0ec23ff814a09d1c0c9ace95164
patch, third-party-advisory, advisory
-
github.com
/discourse/discourse/pull/20004
patch, third-party-advisory, advisory
-
github.com
/discourse/discourse/security/advisories/GHSA-hvj9-g84x-5prx
third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-23620
web
Sources
- CVE List CVE-2023-23620
- NVD CVE-2023-23620
- OSV BIT-discourse-2023-23620
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.