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PatchSiren cyber security CVE debrief

CVE-2026-0235 Palo Alto Networks CVE debrief

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. This vulnerability, tracked as CVE-2026-0235, has a medium severity CVSS score of 5.8. The vulnerability allows an attacker to bypass certain access and data control policies, potentially leading to unauthorized access to sensitive data. Users of Palo Alto Networks Prisma Browser should be aware of this vulnerability and take steps to mitigate it.

Vendor
Palo Alto Networks
Product
Prisma Browser
CVSS
MEDIUM 5.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-13
Original CVE updated
2026-07-14
Advisory published
2026-05-13
Advisory updated
2026-07-14

Who should care

Users of Palo Alto Networks Prisma Browser, administrators, security teams, and operators should be aware of this vulnerability and take steps to mitigate it. This vulnerability may impact the security of the system and potentially lead to unauthorized access to sensitive data.

Technical summary

The vulnerability, CVE-2026-0235, is a race condition in Palo Alto Networks Prisma Browser that allows a locally authenticated non-admin user to bypass certain access and data control policies. The CVSS score for this vulnerability is 5.8, indicating a medium severity. The vulnerability affects Palo Alto Networks Prisma Browser and has the potential to allow unauthorized access to sensitive data.

Defensive priority

Medium priority

Recommended defensive actions

  • Apply the patch or update provided by the vendor
  • Review and update access and data control policies
  • Monitor for suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-05-13T19:16:56.960Z and was last modified on 2026-07-14T16:05:50.167Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Palo Alto Networks Prisma Browser. The CVSS score for this vulnerability is 5.8, indicating a medium severity. The evidence is limited, and defenders should verify the affected scope and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0235 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0235

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0235 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0235

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.