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CVE-2026-42609

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escal
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e94ae25d4e6ac07a590518f68219999b8f15bb8cb0ba3306ca26e6dc22249ada
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 4 assertions

{"cweId":"CWE-837","description":"CWE-837: Improper Enforcement of a Single, Unique Action","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/3/descriptions/0

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/2/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /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:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"grav","vendor":"getgrav","versions":[{"status":"affected","version":"< 2.0.0-beta.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

4 source assertions
{"cweId":"CWE-837","description":"CWE-837: Improper Enforcement of a Single, Unique Action","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/3/descriptions/0
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /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:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/references/1
{"name":"https://github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/c66dfeb5ff679a1667678c6335eb9ff3255dfc47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/references/2
{"name":"https://github.com/getgrav/grav/commit/d904efc33e03ebb597afde8d3368b28cf0423632","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/d904efc33e03ebb597afde8d3368b28cf0423632"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/references/3
{"name":"https://github.com/getgrav/grav/security/advisories/GHSA-rr73-568v-28f8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-rr73-568v-28f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-rr73-568v-28f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a2386bcbbda009fa3bafbc43f447e234f074ae14d51f7d35246d58b9877ee87c · sha256:cdef2f7a2cf82075… · /containers/adp/0/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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