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CVE-2026-73100

Apache Juneau: Sensitive request headers logged in cleartext by the default request logger on server errors

Products / packages Apache Software Foundation Apache Juneau

Published

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 07/11/2026, 22:50:31 UTC
apache · CVSS:4.0 · 10
Assessment vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity

critical10.0

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

Apache Juneau through version 9.2.0 logs sensitive request headers in cleartext when a server error occurs, exposing them to log readers. An attacker must cause a server error to exploit this weakness. The impact is the exposure of sensitive information such as Authorization and Cookie headers.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Apache Software Foundation · apache

Apache Juneau

1 range
apache version evidence

Package identity

pkg:maven/org.apache.juneau/juneau-rest-serverExplore org.apache.juneau:juneau-rest-server →

Identity supplied by apache. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.2.1

semver versions

unaffected

unknown

Other versions: unaffected

Apache Software Foundation · apache

Apache Juneau

1 range
apache version evidence

Package identity

pkg:maven/org.apache.juneau/juneau-rest-commonExplore org.apache.juneau:juneau-rest-common →

Identity supplied by apache. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 9.2.1

semver versions

unaffected

unknown

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

Insertion of Sensitive Information into Log File vulnerability in Apache Juneau.

The default REST server call logger records request headers for requests that end in a server error, without redacting them. Any client able to cause a server error gets headers such as Authorization, Cookie, Proxy-Authorization and X-API-Key written in cleartext to the application log, exposing them to anyone who can read the logs.

This issue affects Apache Juneau: through 9.2.0.

Users are recommended to upgrade to version 9.2.1, which fixes the issue.

References

1 sources
lists.apache.org/thread.html/j05q7vw08j48o96tdlzcsd4sozx1lyl6
Vendor advisoryapache

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-73100

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-532 ↗

CWE-532 Insertion of Sensitive Information into Log File

apache

Related →
Contributing organizations · 1
apache

Assigning organization

2026-11-05

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
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Large field values are marked as truncated previews. Original source snapshots remain retained.