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CVE-2026-49209 Symfony UX: Denial of service in symfony/ux-live-component via unbounded batch action requests

🗓️ 17 Jul 2026 16:02:06Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 56 Views

Denial of service in Symfony UX LiveComponent batch actions due to unbounded actions array; fixed in 2.36.0 and 3.1.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-49209
17 Jul 202616:02
–attackerkb
circl
Circl
CVE-2026-49209
29 May 202607:32
–circl
cve
CVE
CVE-2026-49209
17 Jul 202616:02
–cve
euvd
EUVD
EUVD-2026-45208
17 Jul 202616:02
–euvd
friendsofphp
Friends Of PHP
symfony/ux-live-component Denial of service via unbounded batch action requests
29 May 202608:00
–friendsofphp
github
Github Security Blog
symfony/ux-live-component: Denial of service via unbounded batch action requests
19 Jun 202619:34
–github
mend
Mend
CVE-2026-49209
17 Jul 202616:02
–mend
nvd
NVD
CVE-2026-49209
17 Jul 202617:17
–nvd
osv_ghsa
osv_ghsa
GHSA-MM82-C99C-H2CF symfony/ux-live-component: Denial of service via unbounded batch action requests
19 Jun 202619:34
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-51050
19 Jun 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "symfony",
    "product": "ux",
    "versions": [
      {
        "version": ">= 3.0.0, < 3.1.0",
        "status": "affected"
      },
      {
        "version": ">= 2.5.0, < 2.36.0",
        "status": "affected"
      }
    ]
  }
]

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