VulnSocial

CVE-2026-45071Disclosure(sensiolabs / symfony)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch sensiolabs symfony systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Crawler::addXmlContent() set DOMDocument::$validateOnParse = true before loadXML(), re-enabling external entity resolution and allowing attacker-supplied XML to expand file:// entities such as local files. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

sensiolabs CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Patch / fix
Other references
Weakness type (CWE)
CWE-611

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

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

  • symfony

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
sensiolabs
Products
symfony

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-17: 1Patch / Workaround · 2026-07-17: 1Technical Details · 2026-07-17: 107-17
Signal classification1 categories
Disclosure
1100.0%
Full discourse1 post
  • DFIR Lab@DFIR_Lab
    Disclosure

    🚨 HIGH SEVERITY: CVE-2026-45071 CVSS 7.5 - Symfony PHP Framework XXE vulnerability allows attackers to read local files via XML entity expansion. Affected: v5.4<5.4.52, v6.4<6.4.40, v7.4<7.4.12, v8.0<8.0.12 Patch immediately! #CVE #Vulnerability #PatchNow https://t.co/uAUGVcWHp5

    Post summary

    The tweet announces a high‑severity XXE flaw (CVE‑2026‑45071) in Symfony, provides technical details, and urges users to patch immediately.

    0000045
    80 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appsensiolabssymfony---

Explore more

Back to dashboardsensiolabs CVEssymfony vulnerabilities