Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-33300

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, an authorization bypass in the Category Chatables Controller show action allowed moderators to get information on hidden groups names and user count. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cddc1f0eef33608ac380526ceebe6b3c42a1f3667f605d564020448c9dcaedb9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"discourse","vendor":"discourse","versions":[{"status":"affected","version":">= 2026.1.0-latest, < 2026.1.3"},{"status":"affected","version":">= 2026.2.0-latest, < 2026.2.2"},{"status":"affected","version":">= 2026.3.0-latest, < 2026.3.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:36d5efa5d752c74e840a716fdac8c7b3df94f2f13419bbc62bbc165a7f7f4a75 · sha256:f52dd18e1f554245… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:36d5efa5d752c74e840a716fdac8c7b3df94f2f13419bbc62bbc165a7f7f4a75 · sha256:f52dd18e1f554245… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:36d5efa5d752c74e840a716fdac8c7b3df94f2f13419bbc62bbc165a7f7f4a75 · sha256:f52dd18e1f554245… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/discourse/discourse/commit/07f66658cce81a099a0d7115db5f3c69f5d3cca2","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/07f66658cce81a099a0d7115db5f3c69f5d3cca2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:36d5efa5d752c74e840a716fdac8c7b3df94f2f13419bbc62bbc165a7f7f4a75 · sha256:f52dd18e1f554245… · /containers/cna/references/1
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-wrwm-vqx2-6x4v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-wrwm-vqx2-6x4v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:36d5efa5d752c74e840a716fdac8c7b3df94f2f13419bbc62bbc165a7f7f4a75 · sha256:f52dd18e1f554245… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer