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CVE-2026-61643

FastGPT is a knowledge-based AI application platform. From 4.14.17 until 4.15.0-beta5, an authenticated FastGPT user can save a workflow node that points to another user's private HTTP toolset by using a crafted saved tool id such as http-<victim_toolset_app_id>/<tool_name>. The normal toolset routes deny access, but the workflow save and runtime path did not apply the same authorization check to the referenced toolset, allowing /api/v2/chat/completions to resolve the saved reference and execute
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:197e90f80c65982ad0853abe6439fe09ad31cb89260a8bfaf59d8ff116e8e363
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"FastGPT","vendor":"labring","versions":[{"status":"affected","version":">= 4.14.17, < 4.15.0-beta5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta5","tags":["x_refsource_MISC"],"url":"https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /containers/cna/references/1
{"name":"https://github.com/labring/FastGPT/security/advisories/GHSA-93r3-wqq3-c5ch","tags":["x_refsource_CONFIRM"],"url":"https://github.com/labring/FastGPT/security/advisories/GHSA-93r3-wqq3-c5ch"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/labring/FastGPT/security/advisories/GHSA-93r3-wqq3-c5ch"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1abe0619e059c8bddc1a16b995b65f0c91543a0feed88797b9ea1c15b9e67f79 · sha256:c0c7b851d0e99cd2… · /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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