High 7.5Published Oct 28, 2026

CVE-2026-118040Improper Signature and Certificate Validation in Telerik Document Processing Libraries RadPdfProcessing

Updated under an hour ago (Oct 29, 2026, 1:50 PM ET)

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It affects Progress Software Telerik Document Processing Libraries. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, improper verification of cryptographic signatures and improper certificate validation in RadPdfProcessing digital signature validation allow an unauthenticated attacker to cause signature validation to report forged content as unmodified and its signing certificate as valid via a crafted signed PDF document.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-347, CWE-295
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: ProgressSoftware
NVD analysis: Awaiting Analysis
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 28, 2026

Affected products

Affected products

Progress Software Telerik Document Processing Libraries progress_software:telerik_document_processing_libraries (from the name)	before 2026.3.1027	CNA record

References

References

https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-improper-verification-of-cryptographic-signature-cve-2026-118040	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.