CVE-2026-88092
ASP.NET Core Tampering Vulnerability
CRITICAL 9.4
En bref
- Source
- NVD
- EPSS
- EPSS 0.93 % · centile 61 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Analyzed
Description
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
Faiblesses (CWE)
- CWE-444 — Dissimulation de requête ou de réponse HTTP
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | CRITICAL 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L | NVD · secure@microsoft.com (Secondary) |
Avis
- GHSA-rv87-ccxw-8ggf — Microsoft Security Advisory CVE-2026-88092 - ASP.NET Core Security Feature Bypass Vulnerability
Références européennes
- ENISA EUVD · EUVD-2026-100147
- GCVE · GCVE-0-2026-88092
Avis du CERT-FR
- CERTFR-2026-AVI-1316 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1313 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*≥ 8.0.0 < 8.0.32cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.0.21cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*≥ 10.0.0 < 10.0.13cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*> 11.0.0cpe:2.3:a:microsoft:asp.net_core:11.0:rc1:*:*:*:*:*:*cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*≥ 17.14.0 < 17.14.42cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*≥ 18.10.0 < 18.10.4
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · ASP.NET Core 10.0 | affected 10.0 < 10.0.13 |
| Microsoft · ASP.NET Core 11.0 | affected 11.0 < 11.0.0-rc.2 |
| Microsoft · ASP.NET Core 8.0 | affected 8.0 < 8.0.32 |
| Microsoft · ASP.NET Core 9.0 | affected 9.0 < 9.0.21 |
| Microsoft · Microsoft Visual Studio 2022 version 17.14 | affected 17.14.0 < 17.14.42 |
| Microsoft · Microsoft Visual Studio 2026 version 18.10 | affected 18.10.0 < 18.10.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |