CVE-2026-118040

Improper Signature and Certificate Validation in Telerik Document Processing Libraries RadPdfProcessing

State: Published
Severity: 7.5 High
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 27, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	ProgressSoftware

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature
CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Telerik Document Processing LibrariesProgress Software	before 2026.3.1027Affected

References

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

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