CVE Explorer
CVE-2026-41839
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Spring Framework","vendor":"Spring","versions":[{"lessThan":"7.0.7.1","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.2.18.1","status":"affected","version":"6.2.0","versionType":"custom"},{"lessThan":"6.1.28","status":"affected","version":"6.1.0","versionType":"custom"},{"lessThan":"5.3.49","status":"affected","version":"5.3.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:2c307eebb5237140588f099126b48fa4be39cdda98f015e90046157827f867c8 · sha256:59c202741ded14e7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.2,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:2c307eebb5237140588f099126b48fa4be39cdda98f015e90046157827f867c8 · sha256:59c202741ded14e7… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:2c307eebb5237140588f099126b48fa4be39cdda98f015e90046157827f867c8 · sha256:59c202741ded14e7… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://spring.io/security/cve-2026-41839"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:2c307eebb5237140588f099126b48fa4be39cdda98f015e90046157827f867c8 · sha256:59c202741ded14e7… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.