CVE-2026-0290 Prisma Browser: Sensitive Information Disclosure Vulnerability
Exploit Maturity
UNREPORTED
Response Effort
MODERATE
Recovery
USER
Value Density
DIFFUSE
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Automatable
NO
User Interaction
NONE
Product Confidentiality
LOW
Product Integrity
NONE
Product Availability
NONE
Privileges Required
NONE
Subsequent Confidentiality
NONE
Subsequent Integrity
NONE
Subsequent Availability
NONE
Description
An information disclosure vulnerability in the Account Protection feature of Palo Alto Networks Prisma® Browser enables a local attacker to view sensitive data.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Browser | < 148.18.4.217 | >= 148.18.4.217 |
Required Configuration for Exposure
This issue is applicable only to Prisma® Browser with Account Protection enabled.
This can be verified by checking:
- Navigate to Login Controls settings
- "Activate account protection" checkbox is enabled
Severity: LOW, Suggested Urgency: MODERATE
CVSS-BT: 0.5 / CVSS-B: 2.1 (CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type and Impact
CWE-522 Insufficiently Protected Credentials
CAPEC-37 Retrieve Embedded Sensitive Data
Solution
| Version | Suggested Solution |
|---|---|
| Prisma Browser |
Upgrade to 148.18.4.217 or later. |
Workarounds and Mitigations
No known workarounds exist for this issue.
Acknowledgments
Palo Alto Networks thanks Thomas Villanueva for discovering and reporting this issue.
CPE Applicability
- cpe:2.3:a:palo_alto_networks:prisma_browser:*:*:*:*:*:*:*:* is vulnerable from (including)148.18.4 and up to (excluding)148.18.4.217
Timeline
Initial Publication.