CVE-2026-41839

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Source
https://cve.org/CVERecord?id=CVE-2026-41839
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-41839.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-41839
Aliases
Downstream
CGA (8)
CLEANSTART (7)
CLSA (50)
DEBIAN (1)
MINI (2)
RHLW (1)
UBUNTU (1)
Published
2026-06-09T03:49:52Z
Modified
2026-11-01T10:45:24Z
Severity
  • 4.2 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N CVSS Calculator
Summary
Spring Framework Escalation via Session Fixation in WebFlux
Details

A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

Database specific 
{
    "cna_assigner": "vmware",
    "cwe_ids": [
        "CWE-384"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41839.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "7.0.0"
                        },
                        {
                            "fixed": "7.0.7.1"
                        },
                        {
                            "introduced": "6.2.0"
                        },
                        {
                            "fixed": "6.2.18.1"
                        },
                        {
                            "introduced": "6.1.0"
                        },
                        {
                            "fixed": "6.1.28"
                        },
                        {
                            "introduced": "5.3.0"
                        },
                        {
                            "fixed": "5.3.49"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/spring-projects/spring-framework

Affected ranges

Type
GIT
Repo
https://github.com/spring-projects/spring-framework
Events
Introduced
5024bb72279188f1d0dcfe19e8abdd4bdb9887c8
Fixed
6214eae8bd02c2ed7ab382bb8d16a9cc6de49522
Introduced
fe00848be255db1455f0189d9ff28661f301be36
Fixed
9e8cea3ef8ae02efb7956b071cd7bbef7c22cb82
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "6.2.0"
                },
                {
                    "fixed": "6.2.19"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "7.0.0"
                },
                {
                    "fixed": "7.0.8"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-41839.json"