Insuffucient Protections Lead to Brute Force
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An issue was identified in which CSRF tokens were generated using a predictable method, potentially reducing their effectiveness as a security control. This has been addressed by improving the randomness and entropy of token generation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Security Center (Tenable, Inc.) Fixed in 6.9.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Tenable Security Center — tenable.com/security/tns-2026-22
11 records Highest priority Priority MEDIUM 5 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2026-15974 Command injection in Tenable Security CenterPriority MEDIUM 49
- TI-2026-15975 Command injection in Tenable Security CenterPriority MEDIUM 46
- TI-2026-15939 Remote code execution in Tenable Security CenterPriority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19636
- 2026-10-03 Alias added: GHSA-pgh6-g8gg-ch94
References
More Tenable Security Center vulnerabilities
- TI-2026-15974 Command injection in Tenable Security Center CVSS 4.0CRITICAL 9.4
- TI-2019-08265 mail() may release string with refcount==1 twice CVSS 3.1CRITICAL 9.8
- TI-2026-46385 Command injection in Tenable Security Center CVSS 4.0CRITICAL 9.4
- TI-2026-15975 Command injection in Tenable Security Center CVSS 4.0CRITICAL 9.4
- TI-2026-15939 Remote code execution in Tenable Security Center CVSS 4.0CRITICAL 9.4
- TI-2026-46387 Command injection in Tenable Security Center CVSS 4.0HIGH 8.7
Sources
- CVE-2026-19636 · CVE Program
- CVE-2026-19636 · NVD
- FIRST EPSS
- GHSA-pgh6-g8gg-ch94 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences