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  4. CVE 2026 73116 apache juneau rest client forwards credentials to
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-73116

Apache Juneau: REST client forwards credentials to a different origin when following HTTP redirectsCVE-2026-73116

Answer in brief

CVE-2026-73116 records a Critical severity (CVSS 10.0) vulnerability in Apache Juneau: REST client forwards credentials to a different origin when following HTTP redirects. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/org.apache.juneau:juneau-rest-client (generic), Apache Software Foundation/org.apache.juneau:juneau-rest-common (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 5, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/org.apache.juneau:juneau-rest-client (generic), Apache Software Foundation/org.apache.juneau:juneau-rest-common (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/org.apache.juneau:juneau-rest-clientgeneric>=0 <9.2.19.2.1
Apache Software Foundation/org.apache.juneau:juneau-rest-commongeneric>=0 <9.2.19.2.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/org.apache.juneau:juneau-rest-client, Apache Software Foundation/org.apache.juneau:juneau-rest-common.
  2. 2Review the reported fix. Update Apache Software Foundation/org.apache.juneau:juneau-rest-client to 9.2.1; Apache Software Foundation/org.apache.juneau:juneau-rest-common to 9.2.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencelists.apache.org
Upstream source description

Insufficiently Protected Credentials vulnerability in Apache Juneau. The Apache Juneau RestClient followed HTTP redirects while keeping credential headers from the original request, so a server that redirected the client to a different host or port, or from HTTPS to HTTP, could receive headers such as Authorization, Cookie, Proxy-Authorization and X-API-Key. This issue affects Apache Juneau: through 9.2.0. Users are recommended to upgrade to version 9.2.1, which fixes the issue. The fix applies to HTTP clients created by the RestClient builder; applications that supply their own HttpClient must disable automatic redirects or strip credential headers on cross-origin redirects themselves.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache Juneau: Sensitive request headers logged in cleartext by the default request logger on server errorsSame apache software foundation/org.apache.juneau package
  • Keycloak admin user password stored in cleartext in a ConfigMap in Eclipse BaSyx Helm ChartsAlso CWE-522

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-522
Source
CVE List V5
Source checked
Nov 5, 2026
References
1 linked source
Open source record