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CVE-2026-42205

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class (descendants of Avo::BaseAction) on any resource, even if the action is not registered for that specific resource. This leads to Privilege Escalation and unauthorized data manipulation across the entire application. This
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4eed76f76dfe461c1ba63f1237aa344d7fc86f29531d5cf1203198e2298d82f2
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-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"avo","vendor":"avo-hq","versions":[{"status":"affected","version":"< 3.31.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/avo-hq/avo/releases/tag/v3.31.2","tags":["x_refsource_MISC"],"url":"https://github.com/avo-hq/avo/releases/tag/v3.31.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/references/1
{"name":"https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f83dacc2fa208e844edb55fb67dbdc7e7dd2e70daaef1e20132e560e3fa13fe · sha256:ec872bb4c4c53496… · /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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