CyberSecBulletin
CVE-2026-0240NVD status: Analyzed

Trust Protection Foundation: Exposure of Sensitive System Information to an Unauthorized Control Sphere

CVE-2026-0240 is a high-severity exposure of sensitive system information to an unauthorized control sphere vulnerability in Trust Protection Foundation from Palo Alto Networks, with a CVSS 3.1 base score of 8.7 out of 10. It can be exploited from the same local network by an attacker with a low-privileged account, without any action from a user. The record lists versions 25.3.3, 25.1.8, 24.3.6 as the first without the flaw, so updating Trust Protection Foundation to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.24% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Trust Protection Foundation to 25.3.3 or 25.1.8 or 24.3.6 or 24.1.13, whichever matches your release line, or a later version.
  2. Read the advisory on security.paloaltonetworks.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Palo Alto NetworksTrust Protection Foundation25.3.0 up to, but not including, 25.3.3; 25.1.0 up to, but not including, 25.1.8; 24.3.0 up to, but not including, 24.3.6; 24.1.0 up to, but not including, 24.1.1325.3.3, 25.1.8, 24.3.6, 24.1.13

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
AdjacentThe attacker must be on the same local network segment.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 4.04.5MediumCNA (paloaltonetworks.com)
CVSS 3.18.7HighNVD

Official description

An information disclosure vulnerability in Trust Protection Foundation enables an authenticated attacker to obtain sensitive information from the server's vault. Successful exploitation of this issue allows the attacker to impersonate any user within the environment and arbitrarily modify configuration settings.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Exposure of Sensitive System Information to an Unauthorized Control Sphere

The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

How developers prevent this class of flaw

  • Production applications should never use methods that generate internal details such as stack traces and error messages unless that information is directly committed to a log that is not viewable by the end user. All error message text should be HTML entity encoded before being written to the log file to protect against potential cross-site scripting attacks against the viewer of the logs

More Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerabilities (CWE-497)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Trust Protection Foundation

All Trust Protection Foundation vulnerabilities

Recent Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerabilities

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