CVE-2026-0243Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
Updated under an hour ago ()
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It affects Palo Alto Networks Prisma SD-WAN ION and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.9 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-606
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- palo_alto
- NVD analysis
- Analyzed
- Record last updated
- May 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Palo Alto Networks Prisma SD-WAN ION palo_alto_networks:prisma_sd_wan_ion (from the name) | from 6.5.0 before 25.3.3; fixed at 6.5.3-b15; from 6.4.0 before 25.1.8; fixed at 6.4.3-b8; from 6.3.0 before 24.3.6; fixed at 6.3.6-b10; 6.1.0 not affected; 5.6.0 not affected | CNA record |
paloaltonetworks prisma_sd-wan paloaltonetworks:prisma_sd-wan | from 6.3.1 before 6.3.6; from 6.4.1 before 6.4.3; from 6.5.1 before 6.5.3; 6.3.6; 6.3.6; 6.3.6; 6.4.3; 6.4.3; and 3 more ranges | NVD |
References
- https://security.paloaltonetworks.com/CVE-2026-0243vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.