Authentication bypass in ABP Framework via external login provider
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-288.
Summary
ABP Framework before 10.7.1 contains an authentication bypass that skips account state and two-factor checks when password login succeeds through a registered IExternalLoginProvider. An attacker who holds the external directory password for a deactivated, locked, or two-factor protected account can obtain valid access tokens from the /connect/token password grant. The flaw is classified as CWE-288.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| abpframework | abp | before 10.7.1 | 10.7.1 | Patch available | CNA |
- abp Vendorabpframework Affected before 10.7.1 Fixed in 10.7.1 Patch available CNA
Remediation
Upgrade ABP Framework to version 10.7.1 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA abp (abpframework) Fixed in 10.7.1
Timeline
- 2026-11-06 Threatist record created from CVE-2026-123618
- 2026-11-06 Alias added: GHSA-xh2v-vqcx-cgpj
- 2026-11-08 Priority changed: MEDIUM → LOW
References
Sources
- CVE-2026-123618 · CVE Program
- CVE-2026-123618 · NVD
- FIRST EPSS
- GHSA-xh2v-vqcx-cgpj · GitHub Advisory Database · CC BY 4.0
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