CVE-2026-118040 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-347 CWE-295

References

https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security

FAQ

What is CVE-2026-118040?

CVE-2026-118040 is a vulnerability with a CVSS score of 7.5 (HIGH). In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, improper verification of cryptographic signatures and improper certificate validation in RadPdfProcessing digital sign...

How severe is CVE-2026-118040?

CVE-2026-118040 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-118040?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.