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    2 vulnerabilities by schlagmichdoch

    CVE-2026-108555 (GCVE-0-2026-108555)

    Vulnerability from nvd – Published: 2026-10-10 14:49 – Updated: 2026-10-10 14:49
    VLAI
    Title
    PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header
    Summary
    PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files.
    Severity
    2.3 (Low)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
    4.2 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
    CWE
    • CWE-348 - Use of Less Trusted Source
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 5802 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    schlagmichdoch PairDrop Affected: 0 , ≤ 1.11.2 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-11 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PairDrop",
          "vendor": "schlagmichdoch",
          "versions": [
            {
              "lessThanOrEqual": "1.11.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-09-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks\u0027 discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim\u0027s public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
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            "vulnIntegrityImpact": "LOW"
          },
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        },
        {
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            "attackVector": "NETWORK",
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            "userInteraction": "REQUIRED",
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      ],
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      },
      "references": [
        {
          "name": "GitHub Issue #510",
          "tags": [
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          ],
          "url": "https://github.com/schlagmichdoch/PairDrop/issues/510"
        },
        {
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          "url": "https://github.com/schlagmichdoch/PairDrop"
        },
        {
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          "url": "https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.js#L44-L54"
        },
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          "url": "https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/ws-server.js#L312-L314"
        },
        {
          "name": "VulnCheck Advisory: PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header",
          "tags": [
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      ],
      "title": "PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header",
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        "engine": "vulncheck-endgame"
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-108555",
    "datePublished": "2026-10-10T14:49:39.990Z",
    "dateReserved": "2026-10-10T14:39:40.699Z",
    "dateUpdated": "2026-10-10T14:49:39.990Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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    CVE-2026-108555 (GCVE-0-2026-108555)

    Vulnerability from cvelistv5 – Published: 2026-10-10 14:49 – Updated: 2026-10-10 14:49
    VLAI
    Title
    PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header
    Summary
    PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files.
    Severity
    2.3 (Low)
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
    4.2 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
    CWE
    • CWE-348 - Use of Less Trusted Source
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 5802 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    schlagmichdoch PairDrop Affected: 0 , ≤ 1.11.2 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-11 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PairDrop",
          "vendor": "schlagmichdoch",
          "versions": [
            {
              "lessThanOrEqual": "1.11.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-09-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks\u0027 discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim\u0027s public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
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            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
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          },
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      ],
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              "type": "CWE"
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          ]
        }
      ],
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Issue #510",
          "tags": [
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          ],
          "url": "https://github.com/schlagmichdoch/PairDrop/issues/510"
        },
        {
          "tags": [
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          "url": "https://github.com/schlagmichdoch/PairDrop"
        },
        {
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          "url": "https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.js#L44-L54"
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