Issue with whitespace in JWT roles in OpenSearch
Advisory title: Issue with whitespace in JWT roles
Affected versions:
OpenSearch 1.0.0-1.3.7 and 2.0.0-2.4.1
Patched versions:
OpenSearch 1.3.8 and 2.5.0
Impact:
OpenSearch uses JWTs to store role claims obtained from the Identity Provider (IdP) when the authentication backend is SAML or OpenID Connect. There is an issue in how those claims are processed from the JWTs where the leading and trailing whitespace is trimmed, allowing users to potentially claim roles they are not assigned to if any role matches the whitespace-stripped version of the roles they are a member of.
This issue is only present for authenticated users, and it requires either the existence of roles that match, not considering leading/trailing whitespace, or the ability for users to create said matching roles. In addition, the Identity Provider must allow leading and trailing spaces in role names.
Patches:
OpenSearch versions 1.3.8 and 2.5.0 contain a fix for this issue.
For more information:
If you have any questions or comments about this advisory, please contact AWS/Amazon Security via our issue reporting page (https://aws.amazon.com/security/vulnerability-reporting/) or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Java / Kotlin (Maven) | org.opensearch.plugin:opensearch-security | < 1.3.8, >= 2.0.0, < 2.5.0 | 1.3.8, 2.5.0 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L- Debilidad (CWE)
CWE-269, CWE-287- Plataforma
- Java / Kotlin (Maven)
- Paquete
org.opensearch.plugin:opensearch-security- Publicada
- 24.01.2023
- Actualizado
- 11.10.2026 12:21
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-864v-6qj7-62qj - CC BY 4.0
Historial de vulnerabilidades: org.opensearch.plugin:opensearch-security
Todas las vulnerabilidades publicadas de este paquete (Java / Kotlin (Maven)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 14
- Primera → última
- 08.2022 05.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Alta 2
- Media 9
- Baja 3
Divulgaciones por año
- 2022: 1
- 2023: 7
- 2024: 0
- 2025: 2
- 2026: 4
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Issue with whitespace in JWT roles in OpenSearch esta entrada
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