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    CVE-2026-73100

    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.

    Published:Nov 5, 2026
    Last Modified:Nov 6, 2026
    EPS:Nov 5, 2026
    EPSS Score:0.00428
    CVSS Score:10

    Affected Products

    Vendor
    Apache
    Product
    Juneau

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-215 Fuzzing for application mapping

    Related CVEs

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    CVE-2026-73117 (CVSS 10) — Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability in Apache …
    CVE-2026-73116 (CVSS 10) — Insufficiently Protected Credentials vulnerability in Apache Juneau. The Apache Juneau RestClient followed HT…
    CVE-2026-73101 (CVSS 10) — Generation of Error Message Containing Sensitive Information vulnerability in Apache Juneau. The REST server …
    CVE-2026-73099 (CVSS 10) — Cross-Site Request Forgery (CSRF) vulnerability in Apache Juneau. The REST server accepts a "content" query p…
    CVE-2026-73098 (CVSS 10) — Improper control of dynamically-loaded code vulnerability in Apache Juneau. When Apache Juneau parses a value…
    CVE-2026-73095 (CVSS 8.7) — Allocation of Resources Without Limits or Throttling vulnerability in Apache Juneau. The MessagePack parser, …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High