Unrated
Unauthenticated Event Stream Exposure of Session Tokens in Navigator NCS
Ciena Navigator Network Control Suite (NCS) contains an information exposure vulnerability in an event-streaming API that does not properly enforce authentication. An unauthenticated attacker with network access to the affected service could access the event stream and potentially obtain sensitive information.
Announced Source revision 1
Original source ↗CVE-2026-5267
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-5267
Navigator NCS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Ciena",
"product": "Navigator NCS",
"versions": [
{
"status": "affected",
"version": "7.2 and any older release"
},
{
"status": "affected",
"version": "7.2-P01 through 7.2-P07"
},
{
"status": "affected",
"version": "8.0"
},
{
"status": "affected",
"version": "8.0-P01 through 8.0-P06A"
},
{
"status": "affected",
"version": "8.1"
},
{
"status": "affected",
"version": "8.1-P01 through 8.1-P06"
},
{
"status": "affected",
"version": "8.2"
},
{
"status": "affected",
"version": "8.2-P01 through 8.2-P06"
},
{
"status": "affected",
"version": "9.0"
},
{
"status": "affected",
"version": "9.0-P01 through 9.0-P05A"
},
{
"status": "affected",
"version": "9.1"
},
{
"status": "affected",
"version": "9.1-P01 through 9.1-P05"
},
{
"status": "affected",
"version": "9.2"
},
{
"status": "affected",
"version": "9.2-P01 through 9.2-P02"
},
{
"status": "affected",
"version": "10.0"
},
{
"status": "affected",
"version": "10.0-P01 through 10.0-P01B"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-5267
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #2277 · Revision 1
- Added to Heist Feed
- Publisher date