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PatchSiren cyber security CVE debrief

CVE-2025-53999 ThemeGoods CVE debrief

CVE-2025-53999 is a MEDIUM-severity vulnerability affecting Altair versions up to 5.2.2. It allows unauthenticated broken access control, potentially leading to limited impact. Defenders should assess exposure, prioritize remediation, and verify affected versions.

Vendor
ThemeGoods
Product
Altair
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-20
Original CVE updated
2026-09-29
Advisory published
2026-08-20
Advisory updated
2026-09-29

Who should care

Defenders of systems using Altair versions up to 5.2.2 should assess exposure and prioritize remediation.

Why it matters

CVE-2025-53999 is a MEDIUM-severity vulnerability affecting Altair versions up to 5.2.2. It allows unauthenticated broken access control, potentially leading to limited impact. Defenders should assess exposure, prioritize remediation, and verify affected versions.

  • Verify affected versions and inventory
  • Assess exposure of Altair versions up to 5.2.2
  • Prioritize remediation of affected versions

Technical summary

CVE-2025-53999 is a MEDIUM-severity vulnerability affecting Altair versions up to 5.2.2. It allows unauthenticated broken access control, potentially leading to limited impact.

Defensive priority

Defenders should assess exposure, prioritize remediation, and verify affected versions.

Recommended defensive actions

  • Assess exposure of Altair versions up to 5.2.2
  • Prioritize remediation of affected versions
  • Verify affected versions and inventory

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. The NVD entry is currently Deferred.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-53999 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-53999

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

  • CVE-2025-53999 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-53999

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

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.