CVE-2026-5267
Unauthenticated Event Stream Exposure of Session Tokens in Navigator NCS
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Ciena Navigator NCS
7.2 and any older release, 7.2-P01 through 7.2-P07, 8.0, 8.0-P01 through 8.0-P06A, 8.1, 8.1-P01 through 8.1-P06, 8.2, 8.2-P01 through 8.2-P06, 9.0, 9.0-P01 through 9.0-P05A, 9.1, 9.1-P01 through 9.1-P05, 9.2, 9.2-P01 through 9.2-P02, 10.0, 10.0-P01 through 10.0-P01B