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CVE-2026-118776 Details

Description

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, the affected implementation used decipher.finish(), CBC and ECB modes, PKCS#7 padding to process the relevant input or security decision. node-forge validated only the final byte of PKCS#7 padding during CBC and ECB decryption and accepted zero, oversized, or mismatched padding bytes. Malformed ciphertext could consequently be accepted and up to four plaintext blocks could be silently removed, causing an integrity failure in applications that treated successful decryption as proof of valid padding. This issue is fixed in version 1.4.1.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/digitalbazaar/forge/security/advisories/GHSA-2vgq-wchc-25w7	CISA-ADP	ExploitMitigationVendor Advisory
https://github.com/digitalbazaar/forge/commit/81774ff99e2da64aec9a43591df45a360040c136	[email protected]	Patch
https://github.com/digitalbazaar/forge/releases/tag/v1.4.1	[email protected]	Release Notes
https://github.com/digitalbazaar/forge/security/advisories/GHSA-2vgq-wchc-25w7	[email protected]	ExploitMitigationVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]
CWE-354	Improper Validation of Integrity Check Value	[email protected]

Affected Products

Product	Versions
digitalbazaar forge	< 1.4.1
CPE cpe:2.3:a:digitalbazaar:forge:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	Initial Analysis	[email protected]
Nov 4, 2026	CVE Modified	CISA-ADP
Oct 29, 2026	New CVE Received	[email protected]