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CVE-2026-44787

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primary_group_id and gain whisper-group privileges without legitimate group membership on sites with whispers_allowed_groups configured. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8fe5833c47b293f5e676b8ed006990ba868c0d1a1de7f9cb537868fd48720212
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, < 2026.1.5"},{"status":"affected","version":">= 2026.4.0-latest, < 2026.4.2"},{"status":"affected","version":">= 2026.5.0-latest, < 2026.5.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"name":"https://github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/012796ac28c85b30aa233c5ef042fc66efff8126"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/1
{"name":"https://github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/0f50a07a6ef4b33f3f826ce6d7bf6d7bd16912d8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/2
{"name":"https://github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/5418e3027dba109e27a4796463686d61e190ac29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/3
{"name":"https://github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0a","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/commit/6fc7e6cf04422fc3f9d1c99134803071e983ff0a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/4
{"name":"https://github.com/discourse/discourse/releases/tag/v2026.1.5","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.1.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/5
{"name":"https://github.com/discourse/discourse/releases/tag/v2026.4.2","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.4.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/6
{"name":"https://github.com/discourse/discourse/releases/tag/v2026.5.1","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.5.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/7
{"name":"https://github.com/discourse/discourse/releases/tag/v2026.6.0","tags":["x_refsource_MISC"],"url":"https://github.com/discourse/discourse/releases/tag/v2026.6.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /containers/cna/references/8
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-vmwq-jvxx-jwfx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:16512ceecb3083141fcd17b4f1032220d6648606e9dc4853b3e9b402755bcfde · sha256:42672e1353a1cd7e… · /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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