CVE Explorer
CVE-2026-49215
Symfony UX is a JavaScript ecosystem for Symfony. From 2.22.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest() gates #[LiveAction] invocations on Accept: application/vnd.live-component+html, but the Accept header is CORS-safelisted and cross-origin fetch() can set it without preflight, allowing forged cross-origin #[LiveAction] requests against a victim session when applications use SameSite=None, credentials: 'include', a permissiv
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"ux","vendor":"symfony","versions":[{"status":"affected","version":">= 3.0.0, < 3.1.0"},{"status":"affected","version":">= 2.22.0, < 2.36.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-352","description":"CWE-352: Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/symfony/ux/commit/aed7493db2b4b7bf1f9c79b33cda544f06904b27","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/ux/commit/aed7493db2b4b7bf1f9c79b33cda544f06904b27"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/references/1
{"name":"https://github.com/symfony/ux/releases/tag/v2.36.0","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/ux/releases/tag/v2.36.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/references/2
{"name":"https://github.com/symfony/ux/releases/tag/v3.1.0","tags":["x_refsource_MISC"],"url":"https://github.com/symfony/ux/releases/tag/v3.1.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /containers/cna/references/3
{"name":"https://github.com/symfony/ux/security/advisories/GHSA-4m4j-hmqq-3gxm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/symfony/ux/security/advisories/GHSA-4m4j-hmqq-3gxm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9c178e4feb1abcd7b1cfc70154fc90009288ce93b5fae1d71b3247a1326b1557 · sha256:4f308900d82e84c8… · /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.