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CVE-2026-33664

Kestra is an open-source, event-driven orchestration platform Versions up to and including 1.3.3 render user-supplied flow YAML metadata fields — description, inputs[].displayName, inputs[].description — through the Markdown.vue component instantiated with html: true. The resulting HTML is injected into the DOM via Vue's v-html without any sanitization. This allows a flow author to embed arbitrary JavaScript that executes in the browser of any user who views or interacts with the flow. This is d
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c0e02dec30182b2ec8b57e435a139ea8d449d570a7cf0d0e34616e577ad6f49f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"kestra","vendor":"kestra-io","versions":[{"status":"affected","version":"<= 1.3.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:57d2a52ea7d9c404f90b9e88890d17b4eb249b36b42c633ec6f864bb4e89d509 · sha256:b3ef5b5aa08710df… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:57d2a52ea7d9c404f90b9e88890d17b4eb249b36b42c633ec6f864bb4e89d509 · sha256:b3ef5b5aa08710df… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"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:v2:57d2a52ea7d9c404f90b9e88890d17b4eb249b36b42c633ec6f864bb4e89d509 · sha256:b3ef5b5aa08710df… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/kestra-io/kestra/security/advisories/GHSA-v2mc-8q95-g7hp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kestra-io/kestra/security/advisories/GHSA-v2mc-8q95-g7hp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:57d2a52ea7d9c404f90b9e88890d17b4eb249b36b42c633ec6f864bb4e89d509 · sha256:b3ef5b5aa08710df… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/kestra-io/kestra/security/advisories/GHSA-v2mc-8q95-g7hp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:57d2a52ea7d9c404f90b9e88890d17b4eb249b36b42c633ec6f864bb4e89d509 · sha256:b3ef5b5aa08710df… · /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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