CVE-2026-25221 (GCVE-0-2026-25221)
Vulnerability from cvelistv5
Published
2026-02-02 22:59
Modified
2026-02-03 19:52
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery (CSRF). The application fails to implement and verify the state parameter during the authentication flow. This allows an attacker to pre-authenticate a session and trick a victim into logging into the attacker's account. Any data the victim then enters or academic progress they make is stored on the attacker's account, leading to data loss for the victim and information disclosure to the attacker.
Impacted products
Vendor Product Version
polarnl PolarLearn Version: <= v0-PRERELEASE-15
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-25221",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T19:52:11.220215Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-03T19:52:26.258Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PolarLearn",
          "vendor": "polarnl",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= v0-PRERELEASE-15"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery (CSRF). The application fails to implement and verify the state parameter during the authentication flow. This allows an attacker to pre-authenticate a session and trick a victim into logging into the attacker\u0027s account. Any data the victim then enters or academic progress they make is stored on the attacker\u0027s account, leading to data loss for the victim and information disclosure to the attacker."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352: Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-02T22:59:38.569Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/polarnl/PolarLearn/security/advisories/GHSA-fhhm-574m-7rpw",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/polarnl/PolarLearn/security/advisories/GHSA-fhhm-574m-7rpw"
        },
        {
          "name": "https://github.com/polarnl/PolarLearn/commit/44669bbb5b647c7625f22dd82f3121c7d7bfbe19",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/polarnl/PolarLearn/commit/44669bbb5b647c7625f22dd82f3121c7d7bfbe19"
        }
      ],
      "source": {
        "advisory": "GHSA-fhhm-574m-7rpw",
        "discovery": "UNKNOWN"
      },
      "title": "PolarLearn has Multiple Login CSRFs via Missing OAuth state Parameter (GitHub \u0026 Google)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-25221",
    "datePublished": "2026-02-02T22:59:38.569Z",
    "dateReserved": "2026-01-30T14:44:47.327Z",
    "dateUpdated": "2026-02-03T19:52:26.258Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"PolarLearn has Multiple Login CSRFs via Missing OAuth state Parameter (GitHub \u0026 Google)\", \"source\": {\"advisory\": \"GHSA-fhhm-574m-7rpw\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 2.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N\", \"userInteraction\": \"PASSIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"polarnl\", \"product\": \"PolarLearn\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c= v0-PRERELEASE-15\"}]}], \"references\": [{\"url\": \"https://github.com/polarnl/PolarLearn/security/advisories/GHSA-fhhm-574m-7rpw\", \"name\": \"https://github.com/polarnl/PolarLearn/security/advisories/GHSA-fhhm-574m-7rpw\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/polarnl/PolarLearn/commit/44669bbb5b647c7625f22dd82f3121c7d7bfbe19\", \"name\": \"https://github.com/polarnl/PolarLearn/commit/44669bbb5b647c7625f22dd82f3121c7d7bfbe19\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery (CSRF). The application fails to implement and verify the state parameter during the authentication flow. This allows an attacker to pre-authenticate a session and trick a victim into logging into the attacker\u0027s account. Any data the victim then enters or academic progress they make is stored on the attacker\u0027s account, leading to data loss for the victim and information disclosure to the attacker.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-352\", \"description\": \"CWE-352: Cross-Site Request Forgery (CSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-02-02T22:59:38.569Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-25221\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-03T19:52:11.220215Z\"}}}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-02-03T19:52:22.853Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-25221\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-02T22:59:38.569Z\", \"dateReserved\": \"2026-01-30T14:44:47.327Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-02-02T22:59:38.569Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…