Prisma Access Agent: Authenticated Limited File Deletion on Linux
Summary
| CVE | CVE-2026-0291 |
|---|---|
| State | PUBLISHED |
| Assigner | palo_alto |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-13 03:16:43 UTC |
| Updated | 2026-08-13 03:16:43 UTC |
| Description | An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Access Agent. The Prisma Access Agent on macOS, Windows, iOS, Android, and Chrome OS is not affected. |
Risk And Classification
Primary CVSS: v4.0 1.1 LOW from [email protected]
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
Problem Types: CWE-59 | CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 1.1 | LOW | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/C... |
| 4.0 | CNA | CVSS | 1.1 | LOW | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/A... |
CVSS v4.0 Breakdown
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Palo Alto Networks | Prisma Access Agent | affected 26.2.2 custom | Linux |
| CNA | Palo Alto Networks | Prisma Access Agent | unaffected All custom | macOS, Windows, iOS, Android, Chrome OS |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.paloaltonetworks.com/CVE-2026-0291 | [email protected] | security.paloaltonetworks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: an internal reporter (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-12T16:00:00.000Z | Initial Publication |
Solutions
CNA: VERSION MINOR VERSION SUGGESTED SOLUTION Prisma Access Agent on Linux 25.7 through 26.2.1 Upgrade to 26.2.2 or later. Prisma Access Agent on macOS No action needed. Prisma Access Agent on Windows No action needed. Prisma Access Agent on iOS No action needed. Prisma Access Agent on Android No action needed. Prisma Access Agent on Chrome OS No action needed.
Workarounds
CNA: No known workarounds or mitigations exist for this issue.
Exploits
CNA: Palo Alto Networks is not aware of any malicious exploitation of this issue.