Security readout for executives and security teams
Plain-English summary
CVE-2026-0936 can cause B&R PVI client software to write credential information into log files. The risk requires a local authenticated attacker and logging must have been explicitly enabled, because it is disabled by default. This is a moderate issue focused on credential exposure, not remote system takeover.
Executive priority
Treat as a targeted cleanup and credential-protection issue, not an emergency internet-scale threat. Prioritize systems where PVI logging was enabled or where many local users can access engineering workstations. Upgrade planning and log review should be scheduled promptly.
Technical view
This is CWE-532 in B&R Process Visualization Interface client versions prior to 6.5. An authenticated local attacker may gather credential information processed by the PVI client when logging is enabled. CVSS v4.0 score is 5.1, with local attack vector, low complexity, low privileges, and high confidentiality impact.
Likely exposure
Exposure is likely limited to endpoints running B&R PVI client before 6.5 where application logging was enabled. Systems with no local untrusted users and default-disabled logging have lower practical exposure. Confirm exact deployments, because the provided data does not list all operational contexts.
Exploitation context
The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Abuse requires local authenticated access and user-enabled logging. The main attacker value is credential collection from logs, potentially enabling follow-on access outside this CVE’s direct impact.
Researcher notes
Key constraints are important: logging is disabled by default, local authenticated access is required, and user interaction is reflected in the CVSS vector. Public sources provided do not show exploitation in the wild. Validate version boundaries and vendor remediation details directly against the B&R advisory.
Mitigation direction
- Upgrade B&R PVI client to version 6.5 or later per vendor information.
- Keep PVI client logging disabled unless explicitly required.
- Review enabled log locations for exposed credential material.
- If credentials are found in logs, rotate affected credentials.
- Restrict local access to systems running the PVI client.
- Consult the B&R advisory for environment-specific guidance.
Validation and detection
- Inventory systems running B&R PVI client.
- Confirm installed PVI client version is 6.5 or later.
- Check whether PVI client logging is enabled.
- Review relevant logs for stored credential information.
- Confirm local user access is limited to trusted personnel.
- Track remediation evidence against the B&R advisory.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-532: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-0936 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.br-automation.com/fileadmin/SA26P001-2862434c.pdfCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Insertion of Sensitive Information into Log File
Insertion of Sensitive Information into Log File represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.