November 14, 2026

CVE Watchtower

CVE-2026-124582n/a WebTorrent Path Traversal

NVD

Vulnerability Summary

A vulnerability was identified in WebTorrent up to 2.8.5/3.0.21. Affected by this vulnerability is the function getFileModtimes of the file torrent.js of the component File Path Handler. Such manipulation of the argument file.path leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The reported GitHub issue was closed with the label "not planned".
Severity Level
MEDIUM(5.3)
Published Date
Nov 9, 2026
Last Modified
Nov 9, 2026
Exploitation Status
Public exploit available
EPSS Score (30-Day)
0.43%Probability
Root Weakness (CWE)
CWE-22: Path Traversal ↗
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
CVSS v4.0 Base Metrics — Score 5.3 (MEDIUM)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 4.3)
CVSS v3.1 Base Metrics — Score 4.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • n/a WebTorrent 2.8.0
  • n/a WebTorrent 2.8.1
  • n/a WebTorrent 2.8.2
  • n/a WebTorrent 2.8.3
  • n/a WebTorrent 2.8.4
  • n/a WebTorrent 2.8.5
  • n/a WebTorrent 3.0.0
  • n/a WebTorrent 3.0.1
  • n/a WebTorrent 3.0.2
  • n/a WebTorrent 3.0.3
  • n/a WebTorrent 3.0.4
  • n/a WebTorrent 3.0.5
  • n/a WebTorrent 3.0.6
  • n/a WebTorrent 3.0.7
  • n/a WebTorrent 3.0.8
  • n/a WebTorrent 3.0.9
  • n/a WebTorrent 3.0.10
  • n/a WebTorrent 3.0.11
  • n/a WebTorrent 3.0.12
  • n/a WebTorrent 3.0.13
  • n/a WebTorrent 3.0.14
  • n/a WebTorrent 3.0.15
  • n/a WebTorrent 3.0.16
  • n/a WebTorrent 3.0.17
  • n/a WebTorrent 3.0.18
  • n/a WebTorrent 3.0.19
  • n/a WebTorrent 3.0.20
  • n/a WebTorrent 3.0.21
Patched Versions
No patched version published yet
Until a fix ships, reduce exposure:
  • Restrict access to the affected service or interface to trusted networks.
  • Disable the affected feature if you do not need it.
  • Watch the vendor advisory for a firmware or software update.

What to do

Prioritize this fix. Exploit code is public, so attacks can follow quickly.

  1. Check whether you run n/a WebTorrent and which version.
  2. No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
  3. Subscribe to the vendor advisory so you learn when a fix ships.
  4. Review logs and exposed services for signs of earlier compromise.

Timeline

  • Nov 9, 2026Published
  • Nov 9, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get notified about new n/a WebTorrent CVEsYou are reading CVE-2026-124582. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

External References

Data last checked: Nov 14, 2026 01:09 UTC