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CVE-2026-40935

WWBN AVideo is an open source video platform. In versions 29.0 and prior, `objects/getCaptcha.php` accepts the CAPTCHA length (`ql`) directly from the query string with no clamping or sanitization, letting any unauthenticated client force the server to generate a 1-character CAPTCHA word. Combined with a case-insensitive `strcasecmp` comparison over a ~33-character alphabet and the fact that failed validations do NOT consume the stored session token, an attacker can trivially brute-force the CAP
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2b81418346bc395f1c925bda6d1933d7477d2a1c7fbbb4bea41d84515dc00b63
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"AVideo","vendor":"WWBN","versions":[{"status":"affected","version":"<= 29.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /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:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-804","description":"CWE-804: Guessable CAPTCHA","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/WWBN/AVideo/commit/bf1c76989e6a9054be4f0eb009d68f0f2464b453","tags":["x_refsource_MISC"],"url":"https://github.com/WWBN/AVideo/commit/bf1c76989e6a9054be4f0eb009d68f0f2464b453"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /containers/cna/references/1
{"name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-hg7g-56h5-5pqr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-hg7g-56h5-5pqr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-hg7g-56h5-5pqr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:428ac66bce5355d45d53392035b8d77e86d63504c07cc0a91b496ca5a81d4b68 · sha256:4c7b874bde6ea41a… · /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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