The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is…
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the /tmp/onionshare_server.log pathname for logging, which might allow local users to overwrite files or obtain sensitive information by using this pathname.
Why it matters now
EPSS 0.00342 27th 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:onionshare:onionshare:*:*:*:*:*:*:*:* | up to 1.3.1 | Vulnerable | onionshare |
- cpe:2.3:a:onionshare:onionshare:*:*:*:*:*:*:*:* Versions up to 1.3.1 Vulnerable ·onionshare
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19960
References
Advisory 1
More Onionshare vulnerabilities
- TI-2022-06066 Cross-Site Scripting in Onionshare CVSS 3.1HIGH 8.7
- TI-2022-06068 Improper Access Control in Onionshare CVSS 3.1MEDIUM 4.3
- TI-2021-18479 OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a… CVSS 3.1CRITICAL 9.8
- TI-2022-06065 Denial of Service in Onionshare CVSS 3.1HIGH 7.5
- TI-2022-06064 Out-of-bounds Read in Onionshare CVSS 3.1HIGH 7.5
- TI-2022-06069 Path traversal in Onionshare CVSS 3.1MEDIUM 6.5
Sources
- CVE-2018-19960 · CVE Program
- CVE-2018-19960 · NVD
- FIRST EPSS
- CVE-2018-19960 · 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