CVSS7.5
Severityhigh
WeaknessCWE-22
EPSS0.89%58.2th percentile
Exploited1 KEV source
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
patch window
Called exploited 65 days after disclosure.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE published
- First KEV listing2mo
- Last sighting1d
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federaldoes not list it
- EUVDENISA, European Uniondoes not list it
- VulnCheck KEVcommercial researchlisted Sep 24, 2026
- CIRCLaggregator, mirrors the abovedoes not list it
Sources1 of 3
Listings differ by—
This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.
Public exploitation evidence
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-3
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-3
2 public reports collected from VulnCheck and CIRCL, first on Sep 24, 2026. Each links to its original source. We have not verified them.
Description
Directory traversal vulnerability in knowns-dev/knowns 0.11.4 via crafted path value to the get_doc and update_doc tools.