lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.
Priority MEDIUM 50CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.
Why it matters now
EPSS 0.0498 92nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lshell_project:lshell:0.9.16:*:*:*:*:*:*:* | 0.9.16 | Vulnerable | Lshell Project |
- cpe:2.3:a:lshell_project:lshell:0.9.16:*:*:*:*:*:*:* Versions 0.9.16 Vulnerable ·Lshell Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6903
- 2026-10-03 Alias added: GHSA-vw92-qfr4-w98m
References
Patch 6
- https://bugzilla.redhat.com/show_bug.cgi?id=1369345
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=834946
- [oss-security] 20160822 Re: CVE Request: lshell: shell outbreak vulnerabilities via bad syntax parse and multiline commands
- https://github.com/ghantoos/lshell/issues/149
- https://github.com/ghantoos/lshell/commit/e72dfcd1f258193f9aaea3591ecbdaed207661a0
- https://github.com/ghantoos/lshell/pull/153/commits/a686f71732a3d0f16df52ef46ab8a49ee0083c68
More Lshell Project Lshell vulnerabilities
- TI-2016-05926 lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands. CVSS 3.0CRITICAL 9.9
Sources
- CVE-2016-6903 · CVE Program
- CVE-2016-6903 · NVD
- FIRST EPSS
- GHSA-vw92-qfr4-w98m · GitHub Advisory Database · CC BY 4.0
- CVE-2016-6903 · 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