Patch Forecast
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CVE-2026-121820

A vulnerability has been identified in armeria-saml versions prior to 1.43.0, where the…

Risk score
57/100
CVSS
8.7 v4.0
Published
6 Nov 2026

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What to know

What it is
A vulnerability has been identified in armeria-saml versions prior to 1.43.0, where the HTTP-Redirect binding decoder decompresses attacker-supplied SAML messages without limiting the output size before signature validation, allowing an unauthenticated remote attacker to exhaust server memory and cause a denial of ser…
Affected
See advisory
Fix
Upgrade the product to 1.43.0 or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 8.7 high
  • Remotely exploitable without logging in

References

Original description

A vulnerability has been identified in armeria-saml versions prior to 1.43.0, where the HTTP-Redirect binding decoder decompresses attacker-supplied SAML messages without limiting the output size before signature validation, allowing an unauthenticated remote attacker to exhaust server memory and cause a denial of service.

Last activity 6 Nov 2026. Patch Forecast updates every hour.