Vulnerability-Lookup

GHSA-66WR-7VMR-P5JQ

Vulnerability from github – Published: 2026-10-07 20:28 – Updated: 2026-10-07 20:28

Summary

Payload authentication token field handling issue

Details

Impact

Under certain field configurations, Payload could include unintended values in the authentication token issued at login.

You are affected if:

You use an affected Payload version and have configured a custom field option that maps a field to a reserved authentication claim name.

Patches

Payload now restricts which field configuration options can influence the contents of the authentication token.

Users should upgrade payload packages to >= 3.90.0 or >= 4.0.0-canary.34.

Workarounds

There is no complete workaround. Users should upgrade payload packages to >= 3.90.0 or >= 4.0.0-canary.34.

Severity

9.2 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "payload"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.90.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "payload"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-canary.0"
            },
            {
              "fixed": "4.0.0-canary.34"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-105863"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290",
      "CWE-915"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-10-07T20:28:18Z",
    "nvd_published_at": "2026-10-06T17:17:22Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n\nUnder certain field configurations, Payload could include unintended values in the authentication token issued at login.\n\nYou are affected if:\n\n- You use an affected Payload version and have configured a custom field option that maps a field to a reserved authentication claim name.\n\n### Patches\nPayload now restricts which field configuration options can influence the contents of the authentication token.\n\nUsers should upgrade payload packages to `\u003e= 3.90.0` or `\u003e= 4.0.0-canary.34`.\n\n### Workarounds\nThere is no complete workaround. Users should upgrade payload packages to `\u003e= 3.90.0` or `\u003e= 4.0.0-canary.34`.",
  "id": "GHSA-66wr-7vmr-p5jq",
  "modified": "2026-10-07T20:28:18Z",
  "published": "2026-10-07T20:28:18Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105863"
    },
    {
      "type": "WEB",
      "url": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/payloadcms/payload"
    },
    {
      "type": "WEB",
      "url": "https://github.com/payloadcms/payload/releases/tag/v3.90.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Payload authentication token field handling issue"
}

CVE-2026-105863 (GCVE-0-2026-105863)

Vulnerability from cvelistv5 – Published: 2026-10-06 16:39 – Updated: 2026-10-06 16:39

Title

Payload authentication token field handling issue

Summary

Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-290 - Authentication Bypass by Spoofing
CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Assigner

GitHub_M mitre root Scorecard

References

3 references

URL	Tags
https://github.com/payloadcms/payload/security/ad…	x_refsource_CONFIRM
https://github.com/payloadcms/payload/commit/56cd…	x_refsource_MISC
https://github.com/payloadcms/payload/releases/ta…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
payloadcms	payload	Affected: >= 3.0.0, < 3.90.0 Affected: >= 4.0.0-canary.0, < 4.0.0-canary.34

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "payload",
          "vendor": "payloadcms",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.0.0, \u003c 3.90.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.0.0-canary.0, \u003c 4.0.0-canary.34"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at login. This issue is fixed in version 3.90.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-290",
              "description": "CWE-290: Authentication Bypass by Spoofing",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-915",
              "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-06T16:39:44.912Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/payloadcms/payload/security/advisories/GHSA-66wr-7vmr-p5jq"
        },
        {
          "name": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/payloadcms/payload/commit/56cd5cd050a57daebf33159e41e5ff9d4a45239c"
        },
        {
          "name": "https://github.com/payloadcms/payload/releases/tag/v3.90.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/payloadcms/payload/releases/tag/v3.90.0"
        }
      ],
      "source": {
        "advisory": "GHSA-66wr-7vmr-p5jq",
        "discovery": "UNKNOWN"
      },
      "title": "Payload authentication token field handling issue"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-105863",
    "datePublished": "2026-10-06T16:39:44.912Z",
    "dateReserved": "2026-10-05T23:06:29.748Z",
    "dateUpdated": "2026-10-06T16:39:44.912Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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