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CVE-2026-50132

Budibase is an open-source low-code platform. Prior to 3.39.0, `GET /api/chat-links/:instance/:token/handoff` is a public endpoint (no auth required) that performs a permanent, state-changing operation: it binds an external chat identity (Slack/Discord/MS Teams) to an authenticated Budibase user account, with no consent UI and no CSRF protection. The session token in the URL is created by the attacker (from their own /link slash command) and embeds the attacker's externalUserId. When an authenti
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c078e9c40de4b6b27a3435b53f2bd94c7e9b95ee5f3fd8befaa3bcc25a72ffef
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-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"budibase","vendor":"Budibase","versions":[{"status":"affected","version":"< 3.39.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /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:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/Budibase/budibase/security/advisories/GHSA-v7j5-vc4m-723w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-v7j5-vc4m-723w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-v7j5-vc4m-723w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c1d722821a6e2a521fbba69569cab03f2259ff17e6d21e2d12cc1a46859b222 · sha256:db1f552ace3aad93… · /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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