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CVE-2026-26265

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, an IDOR vulnerability in the directory items endpoint allows any user, including anonymous users, to retrieve private user field values for all users in the directory. The `user_field_ids` parameter in `DirectoryItemsController#index` accepts arbitrary user field IDs without authorization checks, bypassing the visibility restrictions (`show_on_profile` / `show_on_user_card`) that are enforced el
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3412f3d233292f50a19ec2e20678103d552e6af66336478719b84244470a3f00
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":"< 2025.12.2"},{"status":"affected","version":">= 2026.1.0-latest, < 2026.1.1"},{"status":"affected","version":">= 2026.2.0-latest, < 2026.2.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:250a6e0624328aef8f8a48bd4aab20dbe24ed51ec31a7eedd00691138fc5b598 · sha256:a399f5bc8c2efc67… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:250a6e0624328aef8f8a48bd4aab20dbe24ed51ec31a7eedd00691138fc5b598 · sha256:a399f5bc8c2efc67… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:250a6e0624328aef8f8a48bd4aab20dbe24ed51ec31a7eedd00691138fc5b598 · sha256:a399f5bc8c2efc67… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/discourse/discourse/security/advisories/GHSA-crxf-p6jm-vpgw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/discourse/discourse/security/advisories/GHSA-crxf-p6jm-vpgw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:250a6e0624328aef8f8a48bd4aab20dbe24ed51ec31a7eedd00691138fc5b598 · sha256:a399f5bc8c2efc67… · /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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