Prisma Browser: Access and Data Rule Bypass

published 2026-05-13 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-30087

cvss: 4.7; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

A race condition vulnerability in Palo Alto Networks Prisma® Browser enables a locally authenticated non-admin user to bypass certain access and data control policies.

Patch / fix

fixed in 1

Palo Alto Networks Prisma Browser 146.16.6.165

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-13)

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.8	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber
CNA	4.0	5.8	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
NVD	3.1	4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Palo Alto Networks Prisma Browser

Classification

Weakness

CWE-754 Improper Check for Unusual or Exceptional Conditions
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

security.paloaltonetworks.com /CVE-2026-0235
vendor-advisory

Sources

CVE List CVE-2026-0235
NVD CVE-2026-0235

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary