CVE-2026-123618 (GCVE-0-2026-123618)

Vulnerability from cvelistv5 – Published: 2026-11-06 15:00 – Updated: 2026-11-06 15:00
VLAI
Title
ABP Framework before 10.7.1 Authentication Bypass via External Login Provider
Summary
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.
Severity
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
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
abpframework abp Affected: 0 , < 10.7.1 (semver)
Create a notification for this product.
Date Public
2026-10-20 00:00
Credits
Nguyen Le Thanh Nam (yuwkaa) maliming
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:nuget/Volo.Abp.OpenIddict.AspNetCore",
          "product": "abp",
          "vendor": "abpframework",
          "versions": [
            {
              "lessThan": "10.7.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nguyen Le Thanh Nam (yuwkaa)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "maliming"
        }
      ],
      "datePublic": "2026-10-20T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-06T15:00:54.268Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Pull Request #26305",
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/abpframework/abp/pull/26305"
        },
        {
          "name": "Patch Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/abpframework/abp/commit/59b04c48dddbf79c58a65808400b4ed11f902ef1"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/abpframework/abp"
        },
        {
          "name": "Fix commit b2fd3cf",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/abpframework/abp/commit/b2fd3cf049c69e585fb621049fde55349865d132"
        },
        {
          "name": "abp 10.7.1 Release Notes",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/abpframework/abp/releases/tag/10.7.1"
        },
        {
          "name": "Password grant external-provider branch",
          "tags": [
            "technical-description"
          ],
          "url": "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"
        },
        {
          "name": "VulnCheck Advisory: ABP Framework before 10.7.1 Authentication Bypass via External Login Provider",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/abp-framework-before-10.7.1-authentication-bypass-via-external-login-provider"
        }
      ],
      "title": "ABP Framework before 10.7.1 Authentication Bypass via External Login Provider",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-123618",
    "datePublished": "2026-11-06T15:00:54.268Z",
    "dateReserved": "2026-11-06T01:04:42.201Z",
    "dateUpdated": "2026-11-06T15:00:54.268Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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