FKIE_CVE-2026-12811

Vulnerability from fkie_nvd - Published: 2026-06-21 23:16 - Updated: 2026-06-23 14:17
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: "The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure."
References
cna@vuldb.comhttps://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed
cna@vuldb.comhttps://github.com/kortix-ai/suna/
cna@vuldb.comhttps://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
cna@vuldb.comhttps://github.com/kortix-ai/suna/releases/tag/v0.8.39
cna@vuldb.comhttps://vuldb.com/cve/CVE-2026-12811
cna@vuldb.comhttps://vuldb.com/submit/837175
cna@vuldb.comhttps://vuldb.com/vuln/372605
cna@vuldb.comhttps://vuldb.com/vuln/372605/cti
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:kortix-ai:suna:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Auth Endpoint"
          ],
          "product": "suna",
          "vendor": "kortix-ai",
          "versions": [
            {
              "status": "affected",
              "version": "0.8.0"
            },
            {
              "status": "affected",
              "version": "0.8.1"
            },
            {
              "status": "affected",
              "version": "0.8.2"
            },
            {
              "status": "affected",
              "version": "0.8.3"
            },
            {
              "status": "affected",
              "version": "0.8.4"
            },
            {
              "status": "affected",
              "version": "0.8.5"
            },
            {
              "status": "affected",
              "version": "0.8.6"
            },
            {
              "status": "affected",
              "version": "0.8.7"
            },
            {
              "status": "affected",
              "version": "0.8.8"
            },
            {
              "status": "affected",
              "version": "0.8.9"
            },
            {
              "status": "affected",
              "version": "0.8.10"
            },
            {
              "status": "affected",
              "version": "0.8.11"
            },
            {
              "status": "affected",
              "version": "0.8.12"
            },
            {
              "status": "affected",
              "version": "0.8.13"
            },
            {
              "status": "affected",
              "version": "0.8.14"
            },
            {
              "status": "affected",
              "version": "0.8.15"
            },
            {
              "status": "affected",
              "version": "0.8.16"
            },
            {
              "status": "affected",
              "version": "0.8.17"
            },
            {
              "status": "affected",
              "version": "0.8.18"
            },
            {
              "status": "affected",
              "version": "0.8.19"
            },
            {
              "status": "affected",
              "version": "0.8.20"
            },
            {
              "status": "affected",
              "version": "0.8.21"
            },
            {
              "status": "affected",
              "version": "0.8.22"
            },
            {
              "status": "affected",
              "version": "0.8.23"
            },
            {
              "status": "affected",
              "version": "0.8.24"
            },
            {
              "status": "affected",
              "version": "0.8.25"
            },
            {
              "status": "affected",
              "version": "0.8.26"
            },
            {
              "status": "affected",
              "version": "0.8.27"
            },
            {
              "status": "affected",
              "version": "0.8.28"
            },
            {
              "status": "affected",
              "version": "0.8.29"
            },
            {
              "status": "affected",
              "version": "0.8.30"
            },
            {
              "status": "affected",
              "version": "0.8.31"
            },
            {
              "status": "affected",
              "version": "0.8.32"
            },
            {
              "status": "affected",
              "version": "0.8.33"
            },
            {
              "status": "affected",
              "version": "0.8.34"
            },
            {
              "status": "affected",
              "version": "0.8.35"
            },
            {
              "status": "affected",
              "version": "0.8.36"
            },
            {
              "status": "affected",
              "version": "0.8.37"
            },
            {
              "status": "affected",
              "version": "0.8.38"
            },
            {
              "status": "unaffected",
              "version": "0.8.39"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: \"The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure.\""
    }
  ],
  "id": "CVE-2026-12811",
  "lastModified": "2026-06-23T14:17:22.467",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-12811",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-23T13:37:34.514663Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-21T23:16:42.693",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/kortix-ai/suna/"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/kortix-ai/suna/releases/tag/v0.8.39"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-12811"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/837175"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/372605"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/372605/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}


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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.


Detection rules are retrieved from Rulezet.