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Forge has signature forgery in RSA-PKCS due to ASN.1 extra field

🗓️ 26 Mar 2026 22:02:35Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 9 Views

RSA PKCS1 v1.5 forgery via extra ASN.1 field enables Bleichenbacher attack; padding not enforced.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container operator and operands are vulnerable to arbitrary code execution, loss of confidentiality and denial of service
6 May 202613:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses node-forge-1.3.2.tgz, node-forge-1.3.3.tgz which is vulnerable to CVE-2026-33891, CVE-2026-33894, CVE-2026-33895, CVE-2026-33896
5 May 202612:43
–ibm
IBM Security Bulletins		Security Bulletin: Due to use of node-forge-1.3.1.tgz, IBM Sterling Connect:Direct Web Services is affected by Denial of Service (DoS).
2 Jun 202612:04
–ibm
ATTACKERKB		CVE-2026-33894
27 Mar 202620:45
–attackerkb
Chainguard		CVE-2026-33894 vulnerabilities
31 Mar 202619:17
–cgr
Circl		CVE-2026-33894
26 Mar 202622:02
–circl
CNNVD		Digital Bazaar Forge 数据伪造问题漏洞
27 Mar 202600:00
–cnnvd
CVE		CVE-2026-33894
27 Mar 202620:45
–cve
Cvelist		CVE-2026-33894 Forge has signature forgery in RSA-PKCS due to ASN.1 extra field
27 Mar 202620:45
–cvelist
NVD		CVE-2026-33894
27 Mar 202621:17
–nvd
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Vulners
Node
node-forgeRange<1.4.0npm

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29 Mar 2026 21:41Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5
EPSS0.00245
SSVC
CWE-20CWE-347
signature forgerypadding vulnerabilitybleichenbacher attack
9