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CVE-2026-75099 Apache CVE debrief

CVE-2026-75099 is a medium-severity vulnerability affecting Apache Allura, allowing unauthenticated REST disclosure of certain content items. The issue affects Apache Allura through version 1.19.1 and is fixed in version 1.20.0. Administrators and users should assess exposure and upgrade to version 1.20.0 to fix the issue. The vulnerability allows unauthenticated access to certain content items, which could lead to potential unauthorized access and increased risk of exploitation attempts.

Vendor
Apache
Product
Allura
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-24
Original CVE updated
2026-10-12
Advisory published
2026-08-24
Advisory updated
2026-10-12

Who should care

Administrators and users of Apache Allura should assess exposure and upgrade to version 1.20.0 to fix the issue. The vulnerability affects Apache Allura through version 1.19.1 and is fixed in version 1.20.0. The issue allows unauthenticated REST disclosure of certain content items, which could lead to potential unauthorized access and increased risk of exploitation attempts. The vulnerability has a medium severity, a

Why it matters

CVE-2026-75099 is a medium-severity vulnerability affecting Apache Allura, allowing unauthenticated REST disclosure of certain content items. Administrators and users should assess exposure and upgrade to version 1.20.0 to fix the issue.

  • Potential unauthorized access to content items
  • Need to verify affected systems and upgrade to version 1.20.0
  • Possible increased risk of exploitation attempts

Technical summary

The vulnerability allows unauthenticated REST disclosure of certain content items in Apache Allura through version 1.19.1. The issue is fixed in version 1.20.0. The vulnerability has a medium severity and affects Apache Allura, allowing unauthorized access to certain content items. The issue can be fixed by upgrading to version 1.20.0. The vulnerability has a CVSS score of 5.3 and a CVSS severity of MEDIUM.

Defensive priority

Upgrade to version 1.20.0 to fix the issue

Recommended defensive actions

  • Upgrade Apache Allura to version 1.20.0
  • Review and update affected systems
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide information about the vulnerability, its impact, and the fixed version. The issue is related to unauthenticated REST disclosure of certain content items in Apache Allura. The CVE record was published on 2026-08-24T17:18:17.340Z and has not been modified since then. The NVD entry provides additional details about the vulnerability and its severity. The vulnerability affects Apache Allura through version 1.19.1 and is fixed in version 1.20.0.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75099 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75099

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-75099 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75099

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.