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CVE-2026-39107

A Cross Site Scripting vulnerability exists in the Kimi AI v1.0 web interface's 'Preview' feature. The application fails to properly sanitize or encode HTML/JavaScript payloads generated by the AI model. When a user switches to the 'Preview' tab to view AI-generated code, the malicious payload is rendered directly into the DOM, leading to arbitrary JavaScript execution in the victim's browser session.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:053615792e4db4ab40d8ed16782c68bef7a35e1d53843ac2564f83ac6c436a77
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-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/MGTx2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/MGTx2/CVE-2026-39107"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/adp/0/references/0
{"url":"https://github.com/MGTx2/CVE-2026-39107"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f6da0faf25a986e9f0b67243b679b8220e0b8f5aeaea93202e3ffeab8156401 · sha256:3e503b8129e903be… · /containers/cna/references/1

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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