CVE-2026-0291— Prisma Access Agent: Authenticated Limited File Deletion on Linux
Quick assessment
Affected
Palo Alto Networks Prisma Access Agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Palo Alto Networks Prisma Access Agent是美国Palo Alto Networks公司的一款代理接入安全客户端。 Palo Alto Networks Prisma Access Agent 26.2.2之前版本存在后置链接漏洞，该漏洞源于文件访问前的链接解析不当，可能导致本地低权限用户删除有限范围内的系统文件并禁用Prisma Access Agent。
Possible ATT&CK Techniques 2 AI
T1499.002 · Service Exhaustion Flood T1552.005 · Cloud Instance Metadata APIAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | Prisma Access Agent | < 26.2.2 |
affected |
All |
unaffected |
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I. Basic Information for CVE-2026-0291
Vulnerability Information
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Vulnerability Title
Prisma Access Agent: Authenticated Limited File Deletion on Linux
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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/AU:N/R:U/V:D/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks Prisma Access Agent 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks Prisma Access Agent是美国Palo Alto Networks公司的一款代理接入安全客户端。 Palo Alto Networks Prisma Access Agent 26.2.2之前版本存在后置链接漏洞，该漏洞源于文件访问前的链接解析不当，可能导致本地低权限用户删除有限范围内的系统文件并禁用Prisma Access Agent。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Palo Alto Networks | Prisma Access Agent | 0 ~ 26.2.2 | - |
|
| Palo Alto Networks | Prisma Access Agent | - | - |
|
II. Public POCs for CVE-2026-0291
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-0291 (1)
Same Patch Batch · Palo Alto Networks · 2026-08-13 · 12 CVEs total
| CVE-2026-0294 | 6.0 MEDIUM | Prisma Access Agent: Local Privilege Escalation |
| CVE-2026-0299 | 5.9 MEDIUM | GlobalProtect App: Local Privilege Escalation Vulnerabilities |
| CVE-2026-0293 | 5.6 MEDIUM | Prisma Access Agent: Anti-Tamper Protection Bypass on Windows |
| CVE-2026-0298 | 5.2 MEDIUM | GlobalProtect App: Code Execution Vulnerability in Windows Pre-Logon Access Provider (PLAP |
| CVE-2026-0297 | 5.2 MEDIUM | GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake |
| CVE-2026-0296 | 4.5 MEDIUM | GlobalProtect App: Improper Certificate Validation Bypass Vulnerability |
| CVE-2026-0295 | 4.1 MEDIUM | GlobalProtect App: Local Privilege Escalation via Race Condition on macOS |
| CVE-2026-0292 | 2.1 LOW | Prisma Access Agent: Local Security Inspection Bypass Vulnerability on Windows |
| CVE-2026-0289 | 0.5 LOW | Prisma Browser: Inappropriate Implementation in Account Protection |
| CVE-2026-0301 | 0.5 LOW | PAN-OS: Information Disclosure Vulnerability in URL Filtering |
| CVE-2026-0290 | 0.5 LOW | Prisma Browser: Sensitive Information Disclosure Vulnerability |
IV. Related Vulnerabilities
Same product: Prisma Access Agent
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CVE-2026-0305
Prisma Access Agent: Information Disclosure Vulnerability on -
CVE-2026-0306
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CVE-2026-0294
Prisma Access Agent: Local Privilege Escalation -
CVE-2026-0293
Prisma Access Agent: Anti-Tamper Protection Bypass on Window -
CVE-2026-0292
Prisma Access Agent: Local Security Inspection Bypass Vulner
Same vendor: Palo Alto Networks
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CVE-2026-0306
Prisma Access Agent: EndPoint DLP Bypass Vulnerability on Wi
Same weakness: CWE-59
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Path Traversal via Symlink Following in allowedLocalRoots in
V. Comments for CVE-2026-0291
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