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PatchSiren cyber security CVE debrief

CVE-2026-30276 Deftpdf CVE debrief

CVE-2026-30276 is an arbitrary file overwrite vulnerability in DeftPDF Document Translator v54.0. This vulnerability allows attackers to overwrite critical internal files via the file import process, potentially leading to arbitrary code execution or information exposure. The vulnerability has a CVSS score of 9.8 and is classified as CRITICAL. Affected product deployments should be identified and owners assigned for follow-up. Official advisories and CVE records should be reviewed to validate affected scope, severity, and vendor guidance.

Vendor
Deftpdf
Product
Document Translator
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-31
Original CVE updated
2026-07-24
Advisory published
2026-03-31
Advisory updated
2026-07-24

Who should care

Users of DeftPDF Document Translator v54.0 should be aware of this vulnerability and take immediate action to mitigate the risk. This includes applying any available patches or updates from the vendor, DeftPDF, and exercising caution when importing files into the application. Affected operator, platform, vulnerability-management, and security-team impact should be reviewed.

Technical summary

The vulnerability exists in DeftPDF Document Translator v54.0 and allows attackers to overwrite critical internal files through the file import process. This could lead to arbitrary code execution or information exposure. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high severity level. Defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates from DeftPDF as soon as available
  • Exercise caution when importing files into DeftPDF Document Translator
  • Monitor the application for suspicious activity
  • Consider implementing additional security controls around file imports
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record was published on 2026-03-31T16:16:29.683Z and last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Analyzed. The vulnerability is described as an arbitrary file overwrite, which could lead to arbitrary code execution or information exposure. Evidence is limited to CVE and NVD information. Defenders should verify affected product deployments, review official advisories, and track exceptions. Additional verification tasks are needed due to limited source detail.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-03-31T16:16:29.683Z and has not been modified since then. The NVD entry is currently Analyzed.