SQL injection in Tenable Nessus exposes stored data
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.
Summary
Tenable Nessus before 10.12.5 contains an SQL injection flaw (CWE-89) because it does not neutralize special elements in SQL commands. An authenticated user with low privileges can read or modify data stored by Nessus.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
An SQL injection vulnerability could allow an authenticated user to read or modify data stored by Nessus.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade Tenable Nessus to version 10.12.5.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
- Fix · CNA Nessus (Tenable, Inc.) Fixed in 10.12.5
Vendor assessments
Timeline
- 2026-10-15 Threatist record created from CVE-2026-103946
- 2026-10-16 Priority changed: MEDIUM → LOW
- 2026-10-16 CISA SSVC decision points changed
- 2026-10-16 Priority changed: LOW → MEDIUM
- 2026-10-18 CISA SSVC decision points changed
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
More Tenable vulnerabilities
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
- TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
- TI-2020-08897 Potential XSS vulnerability in jQuery KEVCVSS 3.1MEDIUM 6.9
- TI-2021-20274 Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier CVSS 3.1CRITICAL 9.8
- TI-2022-00687 Infinite loop in BN_mod_sqrt() reachable when parsing certificates CVSS 3.1HIGH 7.5
Sources
- CVE-2026-103946 · CVE Program
- CVE-2026-103946 · NVD
- FIRST EPSS
- CVE-2026-103946 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences