CVE-2026-121454
Padloc before 4.3.1 Missing SCIM Token Validation via SCIM GET Requests
Padloc before 4.3.1 contains a missing authentication vulnerability in ScimServer._handleScimGet() that allows unauthenticated attackers to read SCIM directories by sending any non-empty bearer token. Attackers who know an organization id can query the Users and Groups SCIM endpoints to retrieve provisioned usernames, emails, names, externalIds, and group memberships.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| padloc padloc padloc/padloc
github |
≥ 0; < 4.3.1 (affected, semver) 4.3.1 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.3 medium |
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 3.7 low |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | CNA: VulnCheck |
| 4.0 / 6.3 medium |
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 3.7 low |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | NVD: [email protected] |
Exploit evidence
- https://github.com/padloc/padloc/issues/795
exploit · ADP: CISA-ADP
References
- https://github.com/padloc/padloc/issues/795CNA: VulnCheck · issue-tracking
- https://github.com/padloc/padlocCNA: VulnCheck · product
- https://github.com/padloc/padloc/commit/90dda7c6f417b28bee86ec60eff532eb18870125CNA: VulnCheck · patch
- https://github.com/padloc/padloc/blob/v4.3.0/packages/server/src/scim.ts#L702-L714CNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/padloc-through-4.3.0-missing-scim-token-validation-via-scim-get-requestsCNA: VulnCheck · third-party-advisory
- https://github.com/padloc/padloc/issues/795ADP: CISA-ADP · exploit
- https://github.com/padloc/padloc[email protected]
- https://github.com/padloc/padloc/blob/v4.3.0/packages/server/src/scim.ts#L702-L714[email protected]
- https://github.com/padloc/padloc/commit/90dda7c6f417b28bee86ec60eff532eb18870125[email protected]
- https://github.com/padloc/padloc/issues/795[email protected]
- https://www.vulncheck.com/advisories/padloc-through-4.3.0-missing-scim-token-validation-via-scim-get-requests[email protected]
- https://github.com/padloc/padloc/issues/795134c704f-9b21-4f2e-91b3-4a467353bcc0
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