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No exploitation reportedFix available

CVE-2018-19960

No exploitation reported by the sources we read.

  • Published2018-12-07
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-12-0716:29CVE publishedNVD

Versions per branch

NVD
Onionshare
BranchAffectedFixed in
1.3≤ 1.3.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • onionshareUbuntu:Pro:22.04:LTSall versions · fixed in 2.2-3ubuntu0.1~esm1
  • onionshareUbuntu:Pro:20.04:LTSall versions · fixed in 2.2-1ubuntu0.1~esm1
  • onionshareUbuntu:Pro:18.04:LTSall versions · fixed in 0.9.2-1ubuntu0.1~esm1
  • onionshareUbuntu:Pro:16.04:LTSall versions · fixed in 0.8.1-1ubuntu0.1~esm1
  • onionshareDebian:14all versions · fixed in 1.3.2-1
  • onionshareDebian:13all versions · fixed in 1.3.2-1
  • onionshareDebian:12all versions · fixed in 1.3.2-1
  • python-onionshareopenSUSE:Tumbleweedall versions · fixed in 2.3.3-2.5

1 more package range on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.07read 2026-10-23
  • NVDCVSS 2.04.4read 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score0.3 %2026-11-08
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-12-07
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-19960?

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.

Is CVE-2018-19960 actively exploited?

Active exploitation of CVE-2018-19960 has not been confirmed. Its EPSS score was 0.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19960?

CVE-2018-19960 has a CVSS v3 base score of 7 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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