CVE-2026-89043

Katalog CVE

CVSS 7.4 · High EPSS 0,31%

Kerentanan Improper Verification of Cryptographic Signature. Skor CVSS 3.1 7.4 (High) menurut vulncheck.com.

Deskripsi (NVD)

passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned assertion that gets accepted as the verified identity while the genuine signature validates against the original assertion.

Rincian

Terbit di NVD

10 September 2026

Terakhir diubah

10 September 2026

Status NVD

Deferred

CVSS 3.1

7.4 (High), sumber vulncheck.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

0,31% peluang dieksploitasi; lebih tinggi dari 22,0% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/krakenjs/passport-saml-encrypted
• https://github.com/krakenjs/passport-saml-encrypted/blob/v0.1.13/lib/saml.js#L256
• https://github.com/krakenjs/passport-saml-encrypted/blob/v0.1.13/lib/saml.js#L328
• https://github.com/krakenjs/passport-saml-encrypted/issues/30
• https://www.vulncheck.com/advisories/passport-saml-encrypted-through-0.1.13-xml-signature-wrapping-via-asserti...