CVE-2026-100685

Budibase before 3.45.0 fails to properly scope the GET /api/chat-links endpoint by workspace, allowing builders to enumerate chat identity link records across all workspaces in a tenant. Attackers with builder access to a single workspace can retrieve sensitive chat identity linking data including user IDs and external chat service identifiers from other workspaces they have no permission to access.

CVSS 4.0

8.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1

7.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-09-26

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

References

• https://github.com/Budibase/budibase/security/advisories/GHSA-76m3-47v8-p7h6
• https://www.vulncheck.com/advisories/budibase-before-3.45.0-information-disclosure-via-chat-links
• https://github.com/Budibase/budibase/security/advisories/GHSA-76m3-47v8-p7h6

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