CVE-2026-0243

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

• https://security.paloaltonetworks.com/CVE-2026-0243 psirt@paloaltonetworks.com

The full cvelistV5 record. Download as CVE-2026-0243.json.

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                "id": "CVE-2026-0243",
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                    "Exploitation": "none"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T10:39:54.353822Z",
                "version": "2.0.3"
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              "value": "<p>IPv6 must be <a href=\"https://docs.paloaltonetworks.com/prisma-sd-wan/administration/prisma-sd-wan-sites-and-devices/prisma-sd-wan-ports-and-interfaces/configure-internet-ports\">enabled</a> on the SD-WAN ION device.</p>"
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          "lang": "en",
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          "value": "Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue."
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      "datePublic": "2026-05-13T16:00:00.000Z",
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              "value": "<p>A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.</p>"
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      "impacts": [
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            "Recovery": "USER",
            "Safety": "NOT_DEFINED",
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            "attackVector": "ADJACENT",
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            "exploitMaturity": "UNREPORTED",
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            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "DIFFUSE",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber",
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              "value": "<table><tbody><tr><td>Version</td><td>Minor Version</td><td>Suggested Solution</td></tr><tr><td>Prisma SD-WAN ION 6.5</td><td>6.5.1 through 6.5.3</td><td>Upgrade to 6.5.3-b15 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.4</td><td>6.4.1 through 6.4.3</td><td>Upgrade to 6.4.3-b8 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.3</td><td>6.3.1 through 6.3.6</td><td>Upgrade to 6.3.6-b10 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.1</td><td><br></td><td>No action needed.</td></tr><tr><td>Prisma SD-WAN ION 5.6</td><td><br></td><td>No action needed.</td></tr></tbody></table>"
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      "source": {
        "discovery": "INTERNAL"
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          "lang": "en",
          "time": "2026-05-13T16:00:00.000Z",
          "value": "Initial publication."
        }
      ],
      "title": "Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet",
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              "value": "<p>Disable IPv6 on SD-WAN ION devices if not required.</p><p><br></p>"
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        "Prisma SD-WAN ION 6.5.0",
        "Prisma SD-WAN ION 6.5.1",
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        "Prisma SD-WAN ION 6.4.2",
        "Prisma SD-WAN ION 6.3.0",
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        "Prisma SD-WAN ION 6.3.2",
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        "Prisma SD-WAN ION 6.3.4",
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    "assignerShortName": "palo_alto",
    "cveId": "CVE-2026-0243",
    "datePublished": "2026-05-13T19:10:53.743Z",
    "dateReserved": "2025-11-03T20:44:03.984Z",
    "dateUpdated": "2026-05-14T10:48:23.055Z",
    "state": "PUBLISHED"
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