CVE-2026-3340 (GCVE-0-2026-3340)

Vulnerability from cvelistv5 – Published: 2026-04-30 21:04 – Updated: 2026-05-01 16:38
VLAI?
Title
Server-Side Request Forgery (SSRF) in Langflow URL Component
Summary
IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Langflow Desktop Affected: 1.0.0 , ≤ 1.8.4 (semver)
    cpe:2.3:a:ibm:langflow_desktop:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3340",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-01T16:07:55.291225Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-01T16:38:23.079Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:langflow_desktop:1.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
          ],
          "product": "Langflow Desktop",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "1.8.4",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.\u003c/p\u003e"
            }
          ],
          "value": "IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918 Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-30T21:04:14.027Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7271096"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer \u003ca href=\"https://www.langflow.org/blog/langflow-1-8-desktop\" rel=\"nofollow\"\u003ehttps://www.langflow.org/blog/langflow-1-8-desktop\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0\u003c/p\u003e\u003cp\u003eTo install Langflow Desktop for the first time, visit \u003ca href=\"https://langflow.org/desktop\" rel=\"nofollow\"\u003eDownload Langflow Desktop\u003c/a\u003e.\u003c/p\u003e"
            }
          ],
          "value": "IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer  https://www.langflow.org/blog/langflow-1-8-desktop \n\n\n\nIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0\n\n\n\nTo install Langflow Desktop for the first time, visit  Download Langflow Desktop https://langflow.org/desktop ."
        }
      ],
      "title": "Server-Side Request Forgery (SSRF) in Langflow URL Component",
      "x_generator": {
        "engine": "ibm-cvegen"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-3340",
    "datePublished": "2026-04-30T21:04:14.027Z",
    "dateReserved": "2026-02-27T15:22:38.668Z",
    "dateUpdated": "2026-05-01T16:38:23.079Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-3340",
      "date": "2026-05-04",
      "epss": "0.00024",
      "percentile": "0.0665"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-3340\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-04-30T21:16:32.463\",\"lastModified\":\"2026-05-01T15:27:15.287\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7271096\",\"source\":\"psirt@us.ibm.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-3340\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-01T16:07:55.291225Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-01T16:38:18.332Z\"}}], \"cna\": {\"title\": \"Server-Side Request Forgery (SSRF) in Langflow URL Component\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:ibm:langflow_desktop:1.0.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*\"], \"vendor\": \"IBM\", \"product\": \"Langflow Desktop\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"1.8.4\"}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer  https://www.langflow.org/blog/langflow-1-8-desktop \\n\\n\\n\\nIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0\\n\\n\\n\\nTo install Langflow Desktop for the first time, visit  Download Langflow Desktop https://langflow.org/desktop .\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer \u003ca href=\\\"https://www.langflow.org/blog/langflow-1-8-desktop\\\" rel=\\\"nofollow\\\"\u003ehttps://www.langflow.org/blog/langflow-1-8-desktop\u003c/a\u003e\u003c/p\u003e\u003cp\u003eIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0\u003c/p\u003e\u003cp\u003eTo install Langflow Desktop for the first time, visit \u003ca href=\\\"https://langflow.org/desktop\\\" rel=\\\"nofollow\\\"\u003eDownload Langflow Desktop\u003c/a\u003e.\u003c/p\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7271096\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"x_generator\": {\"engine\": \"ibm-cvegen\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eIBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-918\", \"description\": \"CWE-918 Server-Side Request Forgery (SSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"shortName\": \"ibm\", \"dateUpdated\": \"2026-04-30T21:04:14.027Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-3340\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-01T16:38:23.079Z\", \"dateReserved\": \"2026-02-27T15:22:38.668Z\", \"assignerOrgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"datePublished\": \"2026-04-30T21:04:14.027Z\", \"assignerShortName\": \"ibm\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.