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  4. CVE 2026 118782 forge pkcs12 mac forgery and constant key pbe via
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Back to active CVEs
High · CVSS 7.5CVE-2026-118782

Forge: PKCS#12 MAC forgery and constant-key PBE via zero iteration countCVE-2026-118782

Answer in brief

CVE-2026-118782 records a High severity (CVSS 7.5) vulnerability in Forge: PKCS#12 MAC forgery and constant-key PBE via zero iteration count. The current sources do not mark it as known exploited. The current feed maps digitalbazaar/forge (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 29, 2026Updated Oct 29, 2026Source checked Oct 29, 2026First seen by HOL Oct 29, 2026Material review Oct 29, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps digitalbazaar/forge (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
digitalbazaar/forgegeneric<1.4.11.4.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for digitalbazaar/forge.
  2. 2Review the reported fix. Update digitalbazaar/forge to 1.4.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 29, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.1, node-forge accepted a PKCS#12 MAC or PKCS#12 password-based encryption iteration count of zero or less. pki.pbe.generatePkcs12Key() then returned a constant key independent of the password and salt, allowing crafted PKCS#12 input processed by forge.pkcs12.pkcs12FromAsn1() to bypass password-based integrity checks. Predictable encryption keys and IVs also affected PKCS#12 PBE using pbeWithSHAAnd3-KeyTripleDES-CBC or pbewithSHAAnd40BitRC2-CBC, including shrouded key bags, encrypted SafeContents, and PKCS#8 ENCRYPTED PRIVATE KEY input processed independently by forge.pki.decryptPrivateKeyInfo(). PBES2/PBKDF2-encrypted content is unaffected. This issue is fixed in version 1.4.1.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Forge: Certificate signature verified with the issuer's RSA signature schemeSame digitalbazaar/forge package
  • Forge: ASN.1 OID first arc truncation in asn1.oidToDerSame digitalbazaar/forge package
  • Forge: Incomplete PKCS#7 padding validation in AES/DES CBC and ECB decryptionSame digitalbazaar/forge package
  • Forge: Prototype Pollution in forge.http cookie handling via a malicious Set-CookieSame digitalbazaar/forge package
  • Forge: TLS client crash when the server sends no certificateSame digitalbazaar/forge package
  • Forge: Regular expression denial of service in PEM decoding (pem.decode)Same digitalbazaar/forge package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-354, CWE-1284
Source
CVE List V5
Source checked
Oct 29, 2026
References
3 linked sources
Open source record