CVE-2026-123618
ABP Framework before 10.7.1 Authentication Bypass via External Login Provider
ABP Framework before 10.7.1 contains an authentication bypass vulnerability that skips account state and two-factor checks when password login succeeds through a registered IExternalLoginProvider. Attackers holding the external directory password for deactivated, locked, or 2FA-protected accounts can obtain valid access tokens from the /connect/token password grant.
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: VulnCheckFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckFix
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 |
|---|---|---|
| abp abpframework Volo.Abp.OpenIddict.AspNetCore
nuget |
≥ 0; < 10.7.1 (affected, 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 / 7.6 high |
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 6.8 medium |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | CNA: VulnCheck |
| 4.0 / 7.6 high |
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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 / 6.8 medium |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/abpframework/abp/pull/26305CNA: VulnCheck · issue-tracking, patch
- https://github.com/abpframework/abp/commit/59b04c48dddbf79c58a65808400b4ed11f902ef1CNA: VulnCheck · patch
- https://github.com/abpframework/abpCNA: VulnCheck · product
- https://github.com/abpframework/abp/commit/b2fd3cf049c69e585fb621049fde55349865d132CNA: VulnCheck · patch
- https://github.com/abpframework/abp/releases/tag/10.7.1CNA: VulnCheck · release-notes
- https://github.com/abpframework/abp/blob/10.7.0/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/Controllers/TokenController.Password.cs#L52-L77CNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/abp-framework-before-10.7.1-authentication-bypass-via-external-login-providerCNA: VulnCheck · third-party-advisory
- https://github.com/abpframework/abp[email protected]
- https://github.com/abpframework/abp/blob/10.7.0/modules/openiddict/src/Volo.Abp.OpenIddict.AspNetCore/Volo/Abp/OpenIddict/Controllers/TokenController.Password.cs#L52-L77[email protected]
- https://github.com/abpframework/abp/commit/59b04c48dddbf79c58a65808400b4ed11f902ef1[email protected]
- https://github.com/abpframework/abp/commit/b2fd3cf049c69e585fb621049fde55349865d132[email protected]
- https://github.com/abpframework/abp/pull/26305[email protected]
- https://github.com/abpframework/abp/releases/tag/10.7.1[email protected]
- https://www.vulncheck.com/advisories/abp-framework-before-10.7.1-authentication-bypass-via-external-login-provider[email protected]
For agents and automation
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