CVE-2026-0228
PAN-OS: Improper Validation of Terminal Server Agent Certificate
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 11.2.8, 11.1.11, 10.2.17, 10.2.10-h28
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even if the PAN-OS configuration would not normally permit them to do so.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Palo Alto Networks Cloud NGFW
Version range not reported
- Palo Alto Networks PAN-OS
From 11.2.0 · fixed in 11.2.8; From 11.1.0 · fixed in 11.1.11; From 10.2.0 · fixed in 10.2.17
- Palo Alto Networks Prisma Access
From 10.2.0 · fixed in 10.2.10-h28