CVE-2026-108747

Lightdash through 2.556.0 contains an authorization bypass vulnerability that allows authenticated organization members to delete other users' personal access tokens by supplying their UUID. Attackers can send DELETE requests to the personal-access-tokens route with a victim's token UUID, even across organizations, to revoke it and break API integrations.

CVSS 4.0

2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-11

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• https://github.com/lightdash/lightdash
• https://github.com/lightdash/lightdash/blob/c890f0b982efb51f1f8d1535d4e334447cec2ed7/packages/backend/src/models/DashboardModel/PersonalAccessTokenModel.ts#L157-L162
• https://github.com/lightdash/lightdash/blob/c890f0b982efb51f1f8d1535d4e334447cec2ed7/packages/backend/src/services/PersonalAccessTokenService.ts#L107-L134
• https://hackmd.io/@haind03/lightdash-pat-delete-ownership-bypass-20261011
• https://www.vulncheck.com/advisories/lightdash-through-2.556.0-authorization-bypass-via-personal-access-token-deletion

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