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CVE-2026-33074

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, a user may be able to purchase a lower tier subscription but grant themselves the benefits that comes along with a higher tier subscription. 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:v2:05da0428667298150d1848fde48194d8ff50ed37d96c5a07dfe1cd71d1b84419
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/problemTypes/1/descriptions/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:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/discourse/discourse/commit/c34f2aac8dcd1ae2886fa84256f607bc003f9d80","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/c34f2aac8dcd1ae2886fa84256f607bc003f9d80"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /containers/cna/references/1
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-9vg5-mp49-xghh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-9vg5-mp49-xghh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:178d512af787ecf6c1931fe32e9d38fa6b4e614acb1f84056f440e3ac26a5586 · sha256:f127cce439f781c9… · /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.

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