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CVE-2026-34736

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users (documented behavior) and the activation_key being exposed in the REST API response at /api/user/v1/accounts/. This issue has been patched in the ulmo release.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6f79b6a0e3eb2f2c2cbd051e0ced66d84e75915f57b8d9e7ffa7c67d3cbd8fed
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"openedx-platform","vendor":"openedx","versions":[{"status":"affected","version":">= maple, < ulmo"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:444c452cdb66393ce04c40a142b69d57da3c9f94a02b89b10ebfc3234561a3a1 · sha256:b3b71aabcf4cf247… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:444c452cdb66393ce04c40a142b69d57da3c9f94a02b89b10ebfc3234561a3a1 · sha256:b3b71aabcf4cf247… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:444c452cdb66393ce04c40a142b69d57da3c9f94a02b89b10ebfc3234561a3a1 · sha256:b3b71aabcf4cf247… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/openedx/openedx-platform/commit/ad342ae16e6af0b46460ca05f47697ac755feba8","tags":["x_refsource_MISC"],"url":"https://github.com/openedx/openedx-platform/commit/ad342ae16e6af0b46460ca05f47697ac755feba8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:444c452cdb66393ce04c40a142b69d57da3c9f94a02b89b10ebfc3234561a3a1 · sha256:b3b71aabcf4cf247… · /containers/cna/references/1
{"name":"https://github.com/openedx/openedx-platform/security/advisories/GHSA-m6rg-rp98-4crw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openedx/openedx-platform/security/advisories/GHSA-m6rg-rp98-4crw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:444c452cdb66393ce04c40a142b69d57da3c9f94a02b89b10ebfc3234561a3a1 · sha256:b3b71aabcf4cf247… · /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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