VulnSocial

CVE-2026-8416Disclosure(concretecms / concrete_cms)

LOWCVSS 8.8 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file addFavoriteFolder($id). The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.

concretecms CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-352CWE-1275

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • concrete_cms

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
concretecms
Products
concrete_cms

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-05-22: 2Technical Details · 2026-05-22: 205-22
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-8416 Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file addFavoriteFolder($id). The Concrete CMS security te… https://www.cve.org/CVERecord?id=CVE-2026-8416 ----- Traducción: CVE-2026-8416 Con… http://infoflow.cloud`

    Post summary

    The tweet announces CVE-2026-8416, a CSRF vulnerability in Concrete CMS 9 before version 9.5.0, providing technical details but no PoC, exploit, patch, or evidence of active exploitation.

    0000038
    79 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-8416 Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file addFavoriteFolder($id). The Concrete CMS security te… https://www.cve.org/CVERecord?id=CVE-2026-8416

    Post summary

    The post announces CVE-2026-8416 as a CSRF flaw in Concrete CMS 9 before 9.5.0, providing minimal technical details and no indications of PoC, exploit code, or patch information.

    00000212
    57.5K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appconcretecmsconcrete_cms---

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