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CVE-2026-33895

Опубликовано: 27 мар. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.5

Описание

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, Ed25519 signature verification accepts forged non-canonical signatures where the scalar S is not reduced modulo the group order (S >= L). A valid signature and its S + L variant both verify in forge, while Node.js crypto.verify (OpenSSL-backed) rejects the S + L variant, as defined by the specification. This class of signature malleability has been exploited in practice to bypass authentication and authorization logic (see CVE-2026-25793, CVE-2022-35961). Applications relying on signature uniqueness (i.e., dedup by signature bytes, replay tracking, signed-object canonicalization checks) may be bypassed. Version 1.4.0 patches the issue.

РелизСтатусПримечание
devel

DNE

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

jammy

needs-triage

noble

DNE

questing

DNE

resolute

DNE

upstream

needs-triage

Показывать по

EPSS

Процентиль: 27%
0.00348
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
redhat
4 месяца назад

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, Ed25519 signature verification accepts forged non-canonical signatures where the scalar S is not reduced modulo the group order (`S >= L`). A valid signature and its `S + L` variant both verify in forge, while Node.js `crypto.verify` (OpenSSL-backed) rejects the `S + L` variant, as defined by the specification. This class of signature malleability has been exploited in practice to bypass authentication and authorization logic (see CVE-2026-25793, CVE-2022-35961). Applications relying on signature uniqueness (i.e., dedup by signature bytes, replay tracking, signed-object canonicalization checks) may be bypassed. Version 1.4.0 patches the issue.

CVSS3: 7.5
nvd
4 месяца назад

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, Ed25519 signature verification accepts forged non-canonical signatures where the scalar S is not reduced modulo the group order (`S >= L`). A valid signature and its `S + L` variant both verify in forge, while Node.js `crypto.verify` (OpenSSL-backed) rejects the `S + L` variant, as defined by the specification. This class of signature malleability has been exploited in practice to bypass authentication and authorization logic (see CVE-2026-25793, CVE-2022-35961). Applications relying on signature uniqueness (i.e., dedup by signature bytes, replay tracking, signed-object canonicalization checks) may be bypassed. Version 1.4.0 patches the issue.

msrc
4 месяца назад

Forge has signature forgery in Ed25519 due to missing S > L check

CVSS3: 7.5
debian
4 месяца назад

Forge (also called `node-forge`) is a native implementation of Transpo ...

CVSS3: 7.5
github
4 месяца назад

Forge has signature forgery in Ed25519 due to missing S > L check

EPSS

Процентиль: 27%
0.00348
Низкий

7.5 High

CVSS3