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cve recordexploit reported

CVE-2026-86538

CVSS—
Severitynone
Weakness—
EPSS0.98%61.0th percentile
Exploited1 KEV source
patch window

Called exploited 10 days after disclosure.

Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.

The life of this vulnerability

  1. CVE reserved
  2. CVE publishedsame day
  3. First KEV listing10d
  4. Last sightingsame day

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources1 of 3
Listings differ by—
Strongest claimconfirmed

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

1 public report collected from VulnCheck and CIRCL, first on Sep 17, 2026. Each links to its original source. We have not verified them.

Description

References

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Our coverage of CVE-2026-86538

CVE-2026-86538high

CVE-2026-86538 Path Traversal Flaw Exploited

A path traversal vulnerability in knowns-dev knowns, CVE-2026-86538, was reported exploited on September 17, 2026. The vulnerability was published on September 7, 2026.