Improper Handling of Alternate Encoding Affecting keycloak-fips-26.7 package, versions <26.7.4-r5


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.56% (44th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-KEYCLOAKFIPS267-20335991
  • published30 Sept 2026
  • disclosed20 Aug 2026

Introduced: 20 Aug 2026

CVE-2026-19611  (opens in a new tab)
CWE-173  (opens in a new tab)

How to fix?

Upgrade Chainguard keycloak-fips-26.7 to version 26.7.4-r5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream keycloak-fips-26.7 package and not the keycloak-fips-26.7 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

A flaw was found in WildFly Elytron. Password hashing and verification normalize input with Unicode NFKC, which can collapse fullwidth characters to ASCII equivalents. A remote attacker can more easily guess affected passwords by using an ASCII-only dictionary against accounts whose passwords were intended to include those non-ASCII characters, leading to unauthorized access.

CVSS Base Scores

version 3.1