CVE-2026-123040
Last modified
CVE-2026-123040 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An attacker who gains the ability to execute arbitrary code on a system with TrueConf Server (Linux) versions from 4.7.2 up to, but not including, 5.5.6 installed, running as the user trueconf (by exploiting some other vulnerability), can elevate their privileges to root.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
An attacker who gains the ability to execute arbitrary code on a system with TrueConf Server (Linux) versions from 4.7.2 up to, but not including, 5.5.6 installed, running as the user trueconf (by exploiting some other vulnerability), can elevate their privileges to root.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| TrueConf | TrueConf Server | >= 4.7.2, < 5.5.6 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-123040?
How severe is CVE-2026-123040?
How do I fix CVE-2026-123040?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-123032A security flaw has been discovered in OpenBMB Internet of A…7.3
- CVE-2026-123033Authentication bypass in the HA heartbeat origin check in mi…8.3
- CVE-2026-123036A flaw was found in ansible-core. When a task marked `no_log…5.5
- CVE-2026-123037A flaw was found in the ansible-core user module. When gener…6.7
- CVE-2026-123039The Gaia OS DynamicCLI daemon runs as root and listens on a …7.8
- CVE-2026-12304Same-origin policy bypass in the Networking: Cookies compone…9.1
- CVE-2026-123041The request-callout plugin in Kong Gateway Enterprise and Ko…8.2
- CVE-2026-123044The ContentPen WordPress plugin before 1.1.1 discloses its R…7.5
- CVE-2026-123047In Eclipse BaSyx Helm Charts versions 3.0.0-rc.1 to 3.12.1 o…7.5
- CVE-2026-12305Memory safety bug fixed in Thunderbird 152. This vulnerabili…7.5
- CVE-2026-123059In Eclipse BaSyx Helm Charts version 2.2.0 of the `aas-basyx…7.5
- CVE-2026-12306Memory safety bug fixed in Thunderbird 152. This vulnerabili…5.3
Are you affected by CVE-2026-123040?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
