CVE-2026-121821: LY Corporation Armeria vulnerability
LY Corporation · Armeria
Vendor fix available · Affected: LY Corporation Armeria · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 25% of scored CVEs
DescriptionCVE.org
A vulnerability has been identified in armeria versions 0.84.0 through 1.42.0, where any-origin CORS policies do not enforce configured path restrictions, allowing an attacker-controlled website visited by an authenticated victim to read sensitive responses from excluded paths when credentials are enabled and the victim's browser sends authentication credentials.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- LY Corporation · Armeriafrom 0.84.0 before 1.43.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- LY Corporation
- Published
- November 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-121821 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.