GHSA-4hfh-6x8g-gwpp

Suggest an improvement
Source
https://github.com/advisories/GHSA-4hfh-6x8g-gwpp
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4hfh-6x8g-gwpp/GHSA-4hfh-6x8g-gwpp.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-4hfh-6x8g-gwpp
Aliases
  • CVE-2026-41839
Downstream
Related
Published
2026-06-09T06:31:57Z
Modified
2026-08-06T21:26:59.185414505Z
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 
{
    "nvd_published_at": "2026-06-09T05:16:35Z",
    "github_reviewed_at": "2026-07-30T15:16:57Z",
    "cwe_ids": [
        "CWE-384"
    ],
    "severity": "MODERATE",
    "github_reviewed": true
}
References

Affected packages

Maven
org.springframework:spring-webflux

Package

Name
org.springframework:spring-webflux
View open source insights on deps.dev
Purl
pkg:maven/org.springframework/spring-webflux

Affected ranges

Type
ECOSYSTEM
Events
Introduced
7.0.0
Fixed
7.0.8

Affected versions

7.*
7.0.0
7.0.1
7.0.2
7.0.3
7.0.4
7.0.5
7.0.6
7.0.7

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4hfh-6x8g-gwpp/GHSA-4hfh-6x8g-gwpp.json"
last_known_affected_version_range 
"<= 7.0.7"
org.springframework:spring-webflux

Package

Name
org.springframework:spring-webflux
View open source insights on deps.dev
Purl
pkg:maven/org.springframework/spring-webflux

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.2.19

Affected versions

6.*
6.2.0
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.2.9
6.2.10
6.2.11
6.2.12
6.2.13
6.2.14
6.2.15
6.2.16
6.2.17
6.2.18

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4hfh-6x8g-gwpp/GHSA-4hfh-6x8g-gwpp.json"
last_known_affected_version_range 
"<= 6.2.18"
org.springframework:spring-webflux

Package

Name
org.springframework:spring-webflux
View open source insights on deps.dev
Purl
pkg:maven/org.springframework/spring-webflux

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.1.0
Last affected
6.1.21

Affected versions

6.*
6.1.0
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.1.8
6.1.9
6.1.10
6.1.11
6.1.12
6.1.13
6.1.14
6.1.15
6.1.16
6.1.17
6.1.18
6.1.19
6.1.20
6.1.21

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4hfh-6x8g-gwpp/GHSA-4hfh-6x8g-gwpp.json"
org.springframework:spring-webflux

Package

Name
org.springframework:spring-webflux
View open source insights on deps.dev
Purl
pkg:maven/org.springframework/spring-webflux

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
5.3.39

Affected versions

5.*
5.0.0.RELEASE
5.0.1.RELEASE
5.0.2.RELEASE
5.0.3.RELEASE
5.0.4.RELEASE
5.0.5.RELEASE
5.0.6.RELEASE
5.0.7.RELEASE
5.0.8.RELEASE
5.0.9.RELEASE
5.0.10.RELEASE
5.0.11.RELEASE
5.0.12.RELEASE
5.0.13.RELEASE
5.0.14.RELEASE
5.0.15.RELEASE
5.0.16.RELEASE
5.0.17.RELEASE
5.0.18.RELEASE
5.0.19.RELEASE
5.0.20.RELEASE
5.1.0.RELEASE
5.1.1.RELEASE
5.1.2.RELEASE
5.1.3.RELEASE
5.1.4.RELEASE
5.1.5.RELEASE
5.1.6.RELEASE
5.1.7.RELEASE
5.1.8.RELEASE
5.1.9.RELEASE
5.1.10.RELEASE
5.1.11.RELEASE
5.1.12.RELEASE
5.1.13.RELEASE
5.1.14.RELEASE
5.1.15.RELEASE
5.1.16.RELEASE
5.1.17.RELEASE
5.1.18.RELEASE
5.1.19.RELEASE
5.1.20.RELEASE
5.2.0.RELEASE
5.2.1.RELEASE
5.2.2.RELEASE
5.2.3.RELEASE
5.2.4.RELEASE
5.2.5.RELEASE
5.2.6.RELEASE
5.2.7.RELEASE
5.2.8.RELEASE
5.2.9.RELEASE
5.2.10.RELEASE
5.2.11.RELEASE
5.2.12.RELEASE
5.2.13.RELEASE
5.2.14.RELEASE
5.2.15.RELEASE
5.2.16.RELEASE
5.2.17.RELEASE
5.2.18.RELEASE
5.2.19.RELEASE
5.2.20.RELEASE
5.2.21.RELEASE
5.2.22.RELEASE
5.2.23.RELEASE
5.2.24.RELEASE
5.2.25.RELEASE
5.3.0
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.3.8
5.3.9
5.3.10
5.3.11
5.3.12
5.3.13
5.3.14
5.3.15
5.3.16
5.3.17
5.3.18
5.3.19
5.3.20
5.3.21
5.3.22
5.3.23
5.3.24
5.3.25
5.3.26
5.3.27
5.3.28
5.3.29
5.3.30
5.3.31
5.3.32
5.3.33
5.3.34
5.3.35
5.3.36
5.3.37
5.3.38
5.3.39

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4hfh-6x8g-gwpp/GHSA-4hfh-6x8g-gwpp.json"