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8 vulnerabilities found for Reactor Netty by Spring

CVE-2026-47874 (GCVE-0-2026-47874)
Vulnerability from cvelistv5
Published
2026-08-26 23:49
Modified
2026-08-27 13:12
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
Summary
The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.3.0   <
Version: 1.1.0   <
Version: 0   <
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Show details on NVD website

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CVE-2026-47845 (GCVE-0-2026-47845)
Vulnerability from cvelistv5
Published
2026-08-26 23:28
Modified
2026-08-27 14:02
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled. In order for this to happen, the application must be configured to use HAProxy Protocol. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.3.0   <
Version: 1.1.0   <
Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-47848 (GCVE-0-2026-47848)
Vulnerability from cvelistv5
Published
2026-08-26 19:22
Modified
2026-08-26 19:44
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
Summary
In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.3.0   <
Version: 1.1.0   <
Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-47844 (GCVE-0-2026-47844)
Vulnerability from cvelistv5
Published
2026-08-26 19:22
Modified
2026-08-26 19:44
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requests. In order for this to happen, the server must be configured with Brave Tracing. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.3.0   <
Version: 1.1.0   <
Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-47843 (GCVE-0-2026-47843)
Vulnerability from cvelistv5
Published
2026-08-26 19:22
Modified
2026-08-26 19:45
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.3.0   <
Version: 1.1.0   <
Version: 0   <
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{
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        "metrics": [
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                "id": "CVE-2026-47843",
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CVE-2026-41715 (GCVE-0-2026-41715)
Vulnerability from cvelistv5
Published
2026-06-09 03:48
Modified
2026-06-23 20:46
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-522 - Insufficiently Protected Credentials
Summary
In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects. Affected versions: Reactor Netty 1.0.0 through 1.0.51; 1.1.0 through 1.1.35; 1.2.0 through 1.2.17; 1.3.0 through 1.3.5.
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.0.0   < 1.0.52
Version: 1.1.0   < 1.1.36
Version: 1.2.0   < 1.2.17.1
Version: 1.3.0   < 1.3.15.1
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CVE-2023-34054 (GCVE-0-2023-34054)
Vulnerability from cvelistv5
Published
2023-11-28 08:16
Modified
2024-08-02 16:01
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Specifically, an application is vulnerable if Reactor Netty HTTP Server built-in integration with Micrometer is enabled.
References
Impacted products
Vendor Product Version
Spring Reactor Netty Version: 1.1.0
Version: 1.0.0
Version: older unsupported versions
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CERTFR-2026-AVI-0705
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Spring. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service à distance et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Spring Spring Retry Retry versions 1.3.x antérieures à 1.3.5
Spring Reactor Netty Reactor Netty versions 1.0.x antérieures à 1.0.52 (Reactor BOM 2020.0.51)
Spring Spring REST Docs REST Docs versions 2.0.x antérieures à 2.0.9
Spring Spring REST Docs REST Docs versions 3.0.x antérieures à 3.0.6 (source ouverte) ou 3.0.5.1 (licence commerciale)
Spring Reactor Netty Reactor Netty versions 1.3.x antérieures à 1.3.6 (Reactor BOM 2025.0.6)
Spring Spring Retry Retry versions 2.0.x antérieures à 2.0.13
Spring Spring LDAP LDAP versions 3.2.x antérieures à 3.2.18
Spring Spring Framework Framework versions 6.2.x antérieures à 6.2.19 (source ouverte) ou 6.2.18.1 (licence commerciale)
Spring Reactor Netty Reactor Netty versions 1.1.x antérieures à 1.1.36 (Reactor BOM 2023.0.24)
Spring Spring Framework Framework versions 7.0.x antérieures à 7.0.8 (source ouverte) ou 7.0.7.1 (licence commerciale)
Spring Spring LDAP LDAP versions 2.4.x antérieures à 2.4.5
Spring Spring LDAP LDAP versions 3.3.x antérieures à 3.3.8
Spring Spring REST Docs REST Docs versions 4.0.x antérieures à 4.0.1 (source ouverte) ou 4.0.0.1 (licence commerciale)
Spring Spring LDAP LDAP versions 4.0.x antérieures à 4.0.4
Spring Reactor Netty Reactor Netty versions 1.2.x antérieures à 1.2.18 (Reactor BOM 2024.0.18)
Spring Spring Framework Framework versions 6.1.x antérieures à 6.1.28
Spring Spring Framework Framework versions 5.3.x antérieures à 5.3.49
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Retry versions 1.3.x ant\u00e9rieures \u00e0 1.3.5",
      "product": {
        "name": "Spring Retry",
        "vendor": {
          "name": "Spring",
          "scada": false
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    },
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      "description": "Reactor Netty versions 1.0.x ant\u00e9rieures \u00e0 1.0.52 (Reactor BOM 2020.0.51)",
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        "name": "Reactor Netty",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "REST Docs versions 2.0.x ant\u00e9rieures \u00e0 2.0.9",
      "product": {
        "name": "Spring REST Docs",
        "vendor": {
          "name": "Spring",
          "scada": false
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      }
    },
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      "product": {
        "name": "Spring REST Docs",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Reactor Netty versions 1.3.x ant\u00e9rieures \u00e0 1.3.6 (Reactor BOM 2025.0.6)",
      "product": {
        "name": "Reactor Netty",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Retry versions 2.0.x ant\u00e9rieures \u00e0 2.0.13",
      "product": {
        "name": "Spring Retry",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "LDAP versions 3.2.x ant\u00e9rieures \u00e0 3.2.18",
      "product": {
        "name": "Spring LDAP",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Framework versions 6.2.x ant\u00e9rieures \u00e0 6.2.19 (source ouverte) ou 6.2.18.1 (licence commerciale)",
      "product": {
        "name": "Spring Framework",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Reactor Netty versions 1.1.x ant\u00e9rieures \u00e0 1.1.36 (Reactor BOM 2023.0.24)",
      "product": {
        "name": "Reactor Netty",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Framework versions 7.0.x ant\u00e9rieures \u00e0 7.0.8 (source ouverte) ou 7.0.7.1 (licence commerciale)",
      "product": {
        "name": "Spring Framework",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "LDAP versions 2.4.x ant\u00e9rieures \u00e0 2.4.5",
      "product": {
        "name": "Spring LDAP",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "LDAP versions 3.3.x ant\u00e9rieures \u00e0 3.3.8",
      "product": {
        "name": "Spring LDAP",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "REST Docs versions 4.0.x ant\u00e9rieures \u00e0 4.0.1 (source ouverte) ou 4.0.0.1 (licence commerciale)",
      "product": {
        "name": "Spring REST Docs",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "LDAP versions 4.0.x ant\u00e9rieures \u00e0 4.0.4",
      "product": {
        "name": "Spring LDAP",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Reactor Netty versions 1.2.x ant\u00e9rieures \u00e0 1.2.18 (Reactor BOM 2024.0.18)",
      "product": {
        "name": "Reactor Netty",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Framework versions 6.1.x ant\u00e9rieures \u00e0 6.1.28",
      "product": {
        "name": "Spring Framework",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    },
    {
      "description": "Framework versions 5.3.x ant\u00e9rieures \u00e0 5.3.49",
      "product": {
        "name": "Spring Framework",
        "vendor": {
          "name": "Spring",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-41710",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41710"
    },
    {
      "name": "CVE-2026-41839",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41839"
    },
    {
      "name": "CVE-2026-41844",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41844"
    },
    {
      "name": "CVE-2026-41715",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41715"
    },
    {
      "name": "CVE-2026-41842",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41842"
    },
    {
      "name": "CVE-2026-40991",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40991"
    },
    {
      "name": "CVE-2026-41720",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41720"
    },
    {
      "name": "CVE-2026-41843",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41843"
    },
    {
      "name": "CVE-2026-41841",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41841"
    },
    {
      "name": "CVE-2026-41838",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41838"
    },
    {
      "name": "CVE-2026-41840",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-41840"
    }
  ],
  "initial_release_date": "2026-06-09T00:00:00",
  "last_revision_date": "2026-06-09T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0705",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-06-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Spring. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Spring",
  "vendor_advisories": [
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41839",
      "url": "https://spring.io/security/cve-2026-41839"
    },
    {
      "published_at": "2026-06-09",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-40991",
      "url": "https://spring.io/security/cve-2026-40991/"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41710",
      "url": "https://spring.io/security/cve-2026-41710"
    },
    {
      "published_at": "2026-06-09",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41844",
      "url": "https://spring.io/security/cve-2026-41844/"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41715",
      "url": "https://spring.io/security/cve-2026-41715"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41720",
      "url": "https://spring.io/security/cve-2026-41720"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41842",
      "url": "https://spring.io/security/cve-2026-41842"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41840",
      "url": "https://spring.io/security/cve-2026-41840"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41841",
      "url": "https://spring.io/security/cve-2026-41841"
    },
    {
      "published_at": "2026-06-09",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41843",
      "url": "https://spring.io/security/cve-2026-41843/"
    },
    {
      "published_at": "2026-06-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Spring cve-2026-41838",
      "url": "https://spring.io/security/cve-2026-41838"
    }
  ]
}