CVE-2026-31983Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0
Updated under an hour ago ()
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It affects Nozomi Networks Guardian and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Nozomi
- NVD analysis
- Modified
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Nozomi Networks Guardian nozomi_networks:guardian (from the name) | before 26.2.0 | CNA record |
Nozomi Networks CMC nozomi_networks:cmc (from the name) | before 26.2.0 | CNA record |
Siemens RUGGEDCOM APE1808 siemens:ruggedcom_ape1808 (from the name) | all versions | CISA ADP |
nozominetworks cmc nozominetworks:cmc | before 26.2.0 | NVD |
nozominetworks guardian nozominetworks:guardian | before 26.2.0 | NVD |
References
- https://security.nozominetworks.com/NN-2026:10-01mitigation, vendor-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-827968.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.