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CVE-2026-0283

An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e3d0bea22a5c796de9a3a6c8e90b0ac0a3ac3457d265b9dd8931022640696320
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","product":"Cloud NGFW","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/0

{"cpes":["cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:h1:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:-:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h7:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h6:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h5:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h3:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h2:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:-:*:*:*:*:…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Prisma Access","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/2

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","product":"Cloud NGFW","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/0
{"cpes":["cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:h1:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:-:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h7:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h6:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h5:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h3:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:h2:*:*:*:*:*:*","cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:-:*:*:*:*:…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Prisma Access","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"All","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NO","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.5,"baseSeverity":"MEDIUM","exploitMaturity":"UNREPORTED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://security.paloaltonetworks.com/CVE-2026-0283"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bbbddd547a18b2f94d70c400bc06840b4afbe03ee0d144512e2290b9981ee30 · sha256:bd8cf5c7afd041a4… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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