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Advisory record · GHSA-rp9m-hfv5-pfvr

Apache Camel-Elasticsearch-Rest-Client: Exchange header constants without the Camel prefix bypass inbound HTTP header filtering, allowing untrusted clients to override the Elasticsearch query and operation

CVSS 5.3 MediumEPSS 0.0055 · 46th percentile

Published by the GitHub Advisory Database at 6 Jul 2026, 09:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.camel:camel-elasticsearch-rest-clientMaven>=4.3.0, <4.14.8 || >=4.15.0, <4.18.3 || >=4.19.0, <4.21.04.14.8, 4.18.3, 4.21.0
Identifiers
GHSA-rp9m-hfv5-pfvr · CVE-2026-46453
Weakness (CWE)
CWE-20 · CWE-639
Tags
Published
6 Jul 2026
Updated
26 Aug 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Camel's camel-elasticsearch-rest-client, in versions from 4.3.0 before 4.14.8, from 4.15.0 before 4.18.3, and from 4.19.0 before 4.21.0, uses Exchange header names without the Camel prefix, so they pass the inbound HTTP header filter. An unauthenticated remote client can reach a route exposing an HTTP endpoint and set these headers to override the Elasticsearch query or operation, which could read, delete, or exfiltrate index documents. Upgrade to 4.21.0, 4.14.8, or 4.18.3, depending on your release stream.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0055, the 46th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.