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PatchSiren cyber security CVE debrief

CVE-2026-45434 Apache CVE debrief

CVE-2026-45434 is a critical Apache OFBiz vulnerability affecting versions before 24.09.06. The issue is described as an improper authentication flaw in password-change logic that can lead to remote code execution. Because the CVSS 3.1 score is 9.8 and the vector indicates network exploitation without privileges or user interaction, affected OFBiz instances should be treated as urgent patch candidates.

Vendor
Apache
Product
Ofbiz
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-19
Original CVE updated
2026-05-20
Advisory published
2026-05-19
Advisory updated
2026-05-20

Who should care

Organizations running Apache OFBiz, especially internet-facing deployments, should prioritize this immediately. Security teams, application owners, and operations teams responsible for patching, access control, and exposed business applications should review their OFBiz inventory now.

Technical summary

The supplied advisory data identifies an improper authentication weakness in Apache OFBiz, mapped to CWE-287, with an attack vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerable range is all Apache OFBiz versions before 24.09.06. The vendor advisory and NVD record indicate that the flaw is associated with password-change logic and may allow remote code execution if exploited. No exploit steps are included here; defenders should rely on the vendor fix and validate exposure through their own asset inventory.

Defensive priority

Critical. This is a network-reachable authentication flaw with potential full confidentiality, integrity, and availability impact. Upgrade should be treated as high urgency.

Recommended defensive actions

  • Upgrade Apache OFBiz to version 24.09.06 or later.
  • Inventory all OFBiz deployments, including test and staging environments, to confirm version exposure.
  • Prioritize any internet-facing OFBiz instance for immediate remediation.
  • Review the Apache vendor advisory for any release-specific guidance before and after upgrading.
  • After patching, verify service health and confirm the affected version is no longer deployed.

Evidence notes

The CVE record lists Apache OFBiz as affected before 24.09.06 and references a vendor advisory on lists.apache.org plus an oss-security reference. The NVD record shows vulnStatus as Modified, publishedAt 2026-05-19T10:16:24.620Z, modifiedAt 2026-05-20T17:16:24.717Z, a CVSS 3.1 score of 9.8 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, and CWE-287 as the weakness description source from [email protected].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45434 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45434

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

  • CVE-2026-45434 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45434

    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.