Login Request a demo
High severity · published Oct 28, 2026
CVE-2026-118040
Improper Signature and Certificate Validation in Telerik Document Processing Libraries RadPdfProcessing
New
7.5
CVSS
–
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TD
Telerik Document Processing Libraries · Progress Software
before 2026.3.1027 · source: vendor
Affected product
TD
Telerik Document Processing Libraries
Progress Software
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-118040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118040
vendor-advisory
https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-improper-verification-of-cryptographic-signature-cve-2026-118040
More from Telerik Document Processing Libraries
7.5
CVE-2026-118037
Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadSpreadProcessing and RadSpreadStreamProcessing
7.5
CVE-2026-118036
Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadPdfProcessing and AI Document Summarization and Question Answering
7.5
CVE-2026-118035
Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadWordsProcessing
7.5
CVE-2026-118039
XML External Entity Reference in Telerik Document Processing Libraries SVG Image Processing
7.3
CVE-2026-106164
Infinite Loop in Telerik Document Processing XLS Import