log-user-session version 0.7 and earlier contains a Directory Traversal vulnerability in…
Priority MEDIUM 44CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
log-user-session version 0.7 and earlier contains a Directory Traversal vulnerability in Main SUID-binary /usr/local/bin/log-user-session that can result in User to root privilege escalation. This attack appear to be exploitable via Malicious unprivileged user executes the vulnerable binary/(remote) environment variable manipulation similar shell-shock also possible.
Why it matters now
EPSS 0.03253 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:open-systems:log-user-session:*:*:*:*:*:*:*:* | up to 0.7 | Vulnerable | Open-systems |
- cpe:2.3:a:open-systems:log-user-session:*:*:*:*:*:*:*:* Versions up to 0.7 Vulnerable ·Open-systems
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1000857
- 2026-10-03 Alias added: GHSA-prfx-7p6p-8g3m
References
Sources
- CVE-2018-1000857 · CVE Program
- CVE-2018-1000857 · NVD
- FIRST EPSS
- GHSA-prfx-7p6p-8g3m · 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