Medium 4.2Published Oct 11, 2026

CVE-2026-108747Lightdash through 2.556.0 Authorization Bypass via Personal Access Token Deletion

Updated under an hour ago (2026-10-19 09:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 13, 2026
First seen by InfoSec Signals: Oct 11, 2026

Affected products

Affected products

Lightdash lightdash lightdash:lightdash (from the name)	through 2.556.0	CNA record

References

https://hackmd.io/@haind03/lightdash-pat-delete-ownership-bypass-20261011third-party-advisory
https://github.com/lightdash/lightdash/blob/c890f0b982efb51f1f8d1535d4e334447cec2ed7/packages/backend/src/services/PersonalAccessTokenService.ts#L107-L134technical-description
https://github.com/lightdash/lightdash/blob/c890f0b982efb51f1f8d1535d4e334447cec2ed7/packages/backend/src/models/DashboardModel/PersonalAccessTokenModel.ts#L157-L162technical-description
https://github.com/lightdash/lightdashproduct
https://www.vulncheck.com/advisories/lightdash-through-2.556.0-authorization-bypass-via-personal-access-token-deletionthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.