01 Record
CVE-2026-10056
CORS misconfiguration in Nx Witness VMS allows session token exfiltration via cross-origin request
HighPUBLISHEDCNA: NX
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
02 Description
CORS misconfiguration in Nx Witness VMS allows session token exfiltration via cross-origin request
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 15.1% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-07-21.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-29 08:04Z5 MO AGO
- Last updated
- 2026-05-29 14:59Z5 MO AGO
- Reserved
- 2026-05-29
- Assigning CNA
- NX
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-942Permissive Cross-domain Security Policy with Untrusted DomainsVariant
- Data version
- 5.2
- Document digest
- 83f2481d0982cd631ba9fbdf5fb6028b8963c145496e65b648430c3e4caf2847
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.networkoptix.comHow to Enable CORS Validationhttps://support.networkoptix.com/hc/en-us/articles/39254208939159-How-to-Enable-CORS-Validation
07 Remediation
Update to Nx Witness VMS version 6.1.2 or later, in which Access-Control-Allow-Credentials is set to false in the default Standard security configuration.