CVE-2026-32615
CVE-2026-32615 is a medium-severity vulnerability in Discourse with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v4: 5.3
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-17553
- Weakness: CWE-285
- Affected product: Discourse
- Published:
- Last modified:
Description
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, category group moderators could perform privileged actions on topics inside private categories they did not have read access to. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
Frequently asked questions
- What is CVE-2026-32615?
- Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, category group moderators could perform privileged actions on topics inside private categories they did not have read access to. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
- How severe is CVE-2026-32615?
- CVE-2026-32615 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-32615 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32615?
- CVE-2026-32615 primarily affects Discourse. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-32615?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-32615 have an EU (EUVD) identifier?
- Yes. CVE-2026-32615 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17553.
- When was CVE-2026-32615 published?
- CVE-2026-32615 was published on 2026-03-31 and last updated on 2026-06-17.
References
- https://github.com/discourse/discourse/commit/5a00b47523ec70cbb6e8efc3ac7677cc0a91448b
- https://github.com/discourse/discourse/security/advisories/GHSA-pr9m-5hpq-wc57
Affected products (3)
- cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
- cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
- cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*
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