CVE-2026-13543 (GCVE-0-2026-13543)

Vulnerability from cvelistv5 – Published: 2026-06-29 06:30 – Updated: 2026-06-29 10:55
VLAI
Title
Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication
Summary
A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-287 - Improper Authentication
Assigner
Impacted products
Vendor Product Version
n/a Documenso Affected: 2.0
Affected: 2.1
Affected: 2.2
Affected: 2.3
Affected: 2.4
Affected: 2.5
Affected: 2.6
Affected: 2.7
Affected: 2.8
Affected: 2.9
Affected: 2.10
Affected: 2.11.0
    cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*
Credits
Jeetpal2007 (VulDB User) VulDB CNA Team
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-13543",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T10:51:50.370152Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-29T10:55:04.918Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Google OAuth Login"
          ],
          "product": "Documenso",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            },
            {
              "status": "affected",
              "version": "2.1"
            },
            {
              "status": "affected",
              "version": "2.2"
            },
            {
              "status": "affected",
              "version": "2.3"
            },
            {
              "status": "affected",
              "version": "2.4"
            },
            {
              "status": "affected",
              "version": "2.5"
            },
            {
              "status": "affected",
              "version": "2.6"
            },
            {
              "status": "affected",
              "version": "2.7"
            },
            {
              "status": "affected",
              "version": "2.8"
            },
            {
              "status": "affected",
              "version": "2.9"
            },
            {
              "status": "affected",
              "version": "2.10"
            },
            {
              "status": "affected",
              "version": "2.11.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Jeetpal2007 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5.1,
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-29T06:30:08.682Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-374551 | Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/374551"
        },
        {
          "name": "VDB-374551 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/374551/cti"
        },
        {
          "name": "CVE-2026-13543 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-13543"
        },
        {
          "name": "Submit #842579 | documenso v2.11.0 Authentication Bypass",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/842579"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/documenso/documenso/issues/2758"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/documenso/documenso/pull/2837"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/documenso/documenso/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-28T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-06-28T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-06-28T12:17:06.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-13543",
    "datePublished": "2026-06-29T06:30:08.682Z",
    "dateReserved": "2026-06-28T10:11:42.167Z",
    "dateUpdated": "2026-06-29T10:55:04.918Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-13543\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-06-29T07:16:24.780\",\"lastModified\":\"2026-06-29T12:16:27.213\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"Documenso\",\"cpes\":[\"cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*\"],\"modules\":[\"Google OAuth Login\"],\"versions\":[{\"version\":\"2.0\",\"status\":\"affected\"},{\"version\":\"2.1\",\"status\":\"affected\"},{\"version\":\"2.2\",\"status\":\"affected\"},{\"version\":\"2.3\",\"status\":\"affected\"},{\"version\":\"2.4\",\"status\":\"affected\"},{\"version\":\"2.5\",\"status\":\"affected\"},{\"version\":\"2.6\",\"status\":\"affected\"},{\"version\":\"2.7\",\"status\":\"affected\"},{\"version\":\"2.8\",\"status\":\"affected\"},{\"version\":\"2.9\",\"status\":\"affected\"},{\"version\":\"2.10\",\"status\":\"affected\"},{\"version\":\"2.11.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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\",\"baseScore\":2.9,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":5.6,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:P/I:P/A:P\",\"baseScore\":5.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":4.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-29T10:51:50.370152Z\",\"id\":\"CVE-2026-13543\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"references\":[{\"url\":\"https://github.com/documenso/documenso/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/documenso/documenso/issues/2758\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/documenso/documenso/pull/2837\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-13543\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/842579\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/374551\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/374551/cti\",\"source\":\"cna@vuldb.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-13543\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-29T10:51:50.370152Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-29T10:54:53.554Z\"}}], \"cna\": {\"title\": \"Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Jeetpal2007 (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB CNA Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 5.6, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 5.6, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 5.1, \"vectorString\": \"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*\"], \"vendor\": \"n/a\", \"modules\": [\"Google OAuth Login\"], \"product\": \"Documenso\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.0\"}, {\"status\": \"affected\", \"version\": \"2.1\"}, {\"status\": \"affected\", \"version\": \"2.2\"}, {\"status\": \"affected\", \"version\": \"2.3\"}, {\"status\": \"affected\", \"version\": \"2.4\"}, {\"status\": \"affected\", \"version\": \"2.5\"}, {\"status\": \"affected\", \"version\": \"2.6\"}, {\"status\": \"affected\", \"version\": \"2.7\"}, {\"status\": \"affected\", \"version\": \"2.8\"}, {\"status\": \"affected\", \"version\": \"2.9\"}, {\"status\": \"affected\", \"version\": \"2.10\"}, {\"status\": \"affected\", \"version\": \"2.11.0\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-06-28T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-06-28T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-06-28T12:17:06.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/374551\", \"name\": \"VDB-374551 | Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/374551/cti\", \"name\": \"VDB-374551 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-13543\", \"name\": \"CVE-2026-13543 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/842579\", \"name\": \"Submit #842579 | documenso v2.11.0 Authentication Bypass\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/documenso/documenso/issues/2758\", \"tags\": [\"exploit\", \"issue-tracking\"]}, {\"url\": \"https://github.com/documenso/documenso/pull/2837\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://github.com/documenso/documenso/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-287\", \"description\": \"Improper Authentication\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-06-29T06:30:08.682Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-13543\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-29T10:55:04.918Z\", \"dateReserved\": \"2026-06-28T10:11:42.167Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-06-29T06:30:08.682Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…