The Apache Juneau REST server passed response header values and redirect targets to the servlet container unchecked. An application that sets a response header or redirect target from request data could let a remote client inject header lines (where the servlet container does not itself reject CR/LF) or redirect users to an arbitrary external site. The framework itself does not build headers or redirects from request data; exposure depends on application code.
This issue affects Apache Juneau: through 9.2.0.
Users are recommended to upgrade to version 9.2.1, which fixes the issue. Header values are now sanitized by default; applications that build redirect targets from request data must also switch from sendRedirect() to the new sendSafeRedirect().
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Juneau | unaffected |
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Thu, 05 Nov 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability in Apache Juneau. The Apache Juneau REST server passed response header values and redirect targets to the servlet container unchecked. An application that sets a response header or redirect target from request data could let a remote client inject header lines (where the servlet container does not itself reject CR/LF) or redirect users to an arbitrary external site. The framework itself does not build headers or redirects from request data; exposure depends on application code. This issue affects Apache Juneau: through 9.2.0. Users are recommended to upgrade to version 9.2.1, which fixes the issue. Header values are now sanitized by default; applications that build redirect targets from request data must also switch from sendRedirect() to the new sendSafeRedirect(). | |
| Title | Apache Juneau: Response header CRLF injection and open redirect when applications set headers or redirect targets from request data | |
| Weaknesses | CWE-113 | |
| References |
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cvssV4_0
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-11-05T11:54:11.703Z
Reserved: 2026-08-10T21:16:08.533Z
Link: CVE-2026-73117
Vulnrichment
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NVD
Status : Received
Published: 2026-11-05T12:17:51.473
Modified: 2026-11-05T12:17:51.473
Link: CVE-2026-73117
Redhat
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OpenCVE Enrichment
Updated: 2026-11-05T14:00:15Z