Information Exposure Through Caching Affecting elasticsearch-fips-9.2 package, versions <9.2.8-r12


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.25% (15th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-ELASTICSEARCHFIPS92-18960311
  • published19 Aug 2026
  • disclosed17 Aug 2026

Introduced: 17 Aug 2026

CVE-2026-59903  (opens in a new tab)
CWE-524  (opens in a new tab)

How to fix?

Upgrade Chainguard elasticsearch-fips-9.2 to version 9.2.8-r12 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elasticsearch-fips-9.2 package and not the elasticsearch-fips-9.2 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse authenticated responses across users and disclose sensitive information. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.

CVSS Base Scores

version 3.1