CVSS9.8
Severitycritical
WeaknessCWE-287
EPSS2.9%86.5th percentile
Exploited1 KEV source
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
patch window
Called exploited 38 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 listing38d
- Last sightingsame day
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 Jul 20, 2026
- CIRCLaggregator, mirrors the abovelisted Jul 20, 2026, not counted
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
- reported exploitationprevidian.com/CVE-2026-48611
- reported exploitationwww.linkedin.com/posts/cybersecurity-threatintelligence-vuln
2 public reports collected from VulnCheck and CIRCL, first on Jul 20, 2026. Each links to its original source. We have not verified them.
Description
Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to unauthorized access in default installations.