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VulnerabilityPublished

CVE-2026-124759: RT-Labs P-Net · Origin Validation Error

Affects RT-Labs P-NetSource CVE Database V5

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Not known to be exploited · CVSS 7.1 High : upgrade to 1.0.4 soon.

Data as of 13 Nov 2026, 13:38 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (rt-labs)CVSS 4.07.1
Patch
Available – fixed in 1.0.4
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade RT-Labs P-Net to 1.0.4.

Affected software

ProductAffectedFixed in
RT-LabsP-NetAffected
  • <1.0.4
  • >=1.0.4
Fixed in
  • 1.0.4

AI-suggested

Upgrade RT-Labs P-Net to version 1.0.4 or later, where the origin validation error is fixed. No other mitigation is indicated or required as the vendor has provided an official fix.

Description

CVE-2026-124759 is a high-severity vulnerability in RT-Labs P-Net prior to version 1.0.4. The vulnerability arises from improper origin validation of received RTA alarm frames, allowing an adjacent network host to disrupt or forge alarm notifications. This can lead to aborting established Application Relationships or injecting malicious alarm data.

References

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