CVE-2026-41682 (GCVE-0-2026-41682)

Vulnerability from cvelistv5 – Published: 2026-05-08 22:47 – Updated: 2026-05-08 22:47
VLAI?
Title
pupnp: Port truncation via atoi() cast in parse_uri() allows SSRF port confusion
Summary
pupnp is an SDK for development of UPnP device and control point applications. Prior to version 1.18.5, pupnp is vulnerable to SRRF port confusion due to port truncation via atoi() cast in parse_uri(). This issue has been patched in version 1.18.5.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-195 - Signed to Unsigned Conversion Error
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
pupnp pupnp Affected: < 1.18.5
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{
  "containers": {
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        {
          "product": "pupnp",
          "vendor": "pupnp",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.18.5"
            }
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        }
      ],
      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-195",
              "description": "CWE-195: Signed to Unsigned Conversion Error",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T22:47:37.494Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58"
        },
        {
          "name": "https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b"
        },
        {
          "name": "https://github.com/pupnp/pupnp/releases/tag/release-1.18.5",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pupnp/pupnp/releases/tag/release-1.18.5"
        }
      ],
      "source": {
        "advisory": "GHSA-q522-6w45-4j58",
        "discovery": "UNKNOWN"
      },
      "title": "pupnp: Port truncation via atoi() cast in parse_uri() allows SSRF port confusion"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-41682",
    "datePublished": "2026-05-08T22:47:37.494Z",
    "dateReserved": "2026-04-22T03:53:24.406Z",
    "dateUpdated": "2026-05-08T22:47:37.494Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-41682",
      "date": "2026-05-09",
      "epss": "0.00039",
      "percentile": "0.11587"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-41682\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-08T23:16:35.737\",\"lastModified\":\"2026-05-08T23:16:35.737\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"pupnp is an SDK for development of UPnP device and control point applications. Prior to version 1.18.5, pupnp is vulnerable to SRRF port confusion due to port truncation via atoi() cast in parse_uri(). This issue has been patched in version 1.18.5.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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\":6.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"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\"}}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-195\"},{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"references\":[{\"url\":\"https://github.com/pupnp/pupnp/commit/def5f9a2bc42f5b3d713e37c516fbe840ce54b7b\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pupnp/pupnp/releases/tag/release-1.18.5\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/pupnp/pupnp/security/advisories/GHSA-q522-6w45-4j58\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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