{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0288","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-07-08T20:40:37.652Z","generator":{"date":"2026-07-08T20:40:37.652Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0288","initial_release_date":"2026-07-08T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-07-08T09:00:00.000Z","summary":"Initial publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cloud NGFW","category":"product_name","branches":[{"category":"product_version","name":"Cloud NGFW All","product":{"name":"Palo Alto Networks Cloud NGFW","product_id":"PANW-Cloud-NGFW-1"}}]},{"name":"PAN-OS","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/PAN-OS<12.1.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-852"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-852"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.7-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-855"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.4-h8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-856"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.13","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-853"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.13","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-853"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.10-h12","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-870"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.7-h18","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-858"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.4-h20","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-859"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.16","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-854"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.16","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-854"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.13-h9","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-860"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.10-h30","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-861"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.7-h8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-862"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.6-h35","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-863"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.4-h35","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-864"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.2.7-h36","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-869"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.18-h8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-865"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.16-h9","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-866"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.13-h23","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-867"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.10-h39","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-868"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.7-h36","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-869"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Prisma Access<11.2.7-h18","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-54"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.7-h18","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-54"}},{"category":"product_version_range","name":"vers:generic/Prisma Access<10.2.10-h39","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-55"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.10-h39","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-55"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0288","product_status":{"fixed":["PANW-PAN-OS-852","PANW-PAN-OS-855","PANW-PAN-OS-856","PANW-PAN-OS-853","PANW-PAN-OS-870","PANW-PAN-OS-858","PANW-PAN-OS-859","PANW-PAN-OS-854","PANW-PAN-OS-860","PANW-PAN-OS-861","PANW-PAN-OS-862","PANW-PAN-OS-863","PANW-PAN-OS-864","PANW-PAN-OS-865","PANW-PAN-OS-866","PANW-PAN-OS-867","PANW-PAN-OS-868","PANW-PAN-OS-869","PANW-Prisma-Access-54","PANW-Prisma-Access-55"],"known_affected":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-869","PANW-Prisma-Access-54","PANW-Prisma-Access-55"],"known_not_affected":["PANW-Cloud-NGFW-1"]},"notes":[{"category":"description","text":"Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component of Palo Alto Networks PAN-OS software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic.\n\nThe security risk posed by this issue is minimized when the User-ID Terminal Server Agent connectivity is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines (https://docs.paloaltonetworks.com/ngfw/help/10-2/user-identification/device-user-identification-terminal-services-agents#:~:text=To%20minimize%20security%20risk%2C%20restrict%20TS%20Agent%20connectivity%20to%20trusted%20internal%20IP%20addresses%20only.).\n\nPanorama is not impacted by this vulnerability.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0288","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0288"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0288","url":"https://security.paloaltonetworks.com/CVE-2026-0288"}],"threats":[{"category":"impact","description":"Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component of Palo Alto Networks PAN-OS software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic.\n\nThe security risk posed by this issue is minimized when the User-ID Terminal Server Agent connectivity is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines (https://docs.paloaltonetworks.com/ngfw/help/10-2/user-identification/device-user-identification-terminal-services-agents#:~:text=To%20minimize%20security%20risk%2C%20restrict%20TS%20Agent%20connectivity%20to%20trusted%20internal%20IP%20addresses%20only.).\n\nPanorama is not impacted by this vulnerability.\n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"RED","exploitMaturity":"UNREPORTED","baseSeverity":"CRITICAL","baseScore":9.2,"threatSeverity":"HIGH","threatScore":7.2,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/AU:N/R:U/V:D/RE:M/U:Red"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-869","PANW-Prisma-Access-54","PANW-Prisma-Access-55"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":7.7,"threatSeverity":"MEDIUM","threatScore":5.2,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-869","PANW-Prisma-Access-54","PANW-Prisma-Access-55"]},{"cvss_v4":{"version":"4.0","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":7.5,"threatSeverity":"MEDIUM","threatScore":4.8,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-852","PANW-PAN-OS-853","PANW-PAN-OS-854","PANW-PAN-OS-869","PANW-Prisma-Access-54","PANW-Prisma-Access-55"]}]}]}