Negotiate credentials sent to redirected origin (curl curl)

CVE-2026-86413
CRITICAL 9.1

En bref

Source
NVD
EPSS
EPSS 0.73 % · centile 54 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
curl
Statut NVD
Awaiting Analysis

Description

When using an *ambient user* in a first transfer doing Negotiate authentication and asked to follow redirects, curl could pass on its credential details to an unrelated second origin when asked to redirect there.

Faiblesses (CWE)

  • CWE-201 — Insertion of Sensitive Information Into Sent Data

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
curl · curlaffected 8.22.0 ≤ 8.22.0 ; affected 8.21.0 ≤ 8.21.0

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD