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CVE-2026-45075

Symfony: HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]

HIGH
8.2
CVSS Score
Published: July 14, 2026 at 06:40 PM UTC
Updated: July 16, 2026 at 03:16 PM UTC
4 products affected across 2 vendorsSymfonySymfonySecurity HTTP

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Severity
HIGH8.2
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.12 and 8.0.12, method-scoped #[IsGranted], #[IsSignatureValid], and #[IsCsrfTokenValid] attributes can be configured for GET only, but Symfony routes HEAD requests to the GET handler while the attribute check is skipped, allowing protected controllers to execute and leak headers or perform side effects. This issue is fixed in versions 7.4.12 and 8.0.12.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Symfony· Sensiolabsdrupal
95%
7.4.0 ≤ v < 7.4.128.0.0 ≤ v < 8.0.12
Affected range stops below 7.4.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.12, so it looks safe — our inference, not a vendor statement
HTTP Kernel· Symfony
60%
v < 7.4.12v < 8.0.12
Affected range stops below 7.4.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.12, so it looks safe — our inference, not a vendor statement
Security HTTP· Symfony
60%
v < 7.4.12v < 8.0.12
Affected range stops below 7.4.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.12, so it looks safe — our inference, not a vendor statement
Symfony· Symfonycomposer
60%
v < 7.4.12v < 8.0.12
Affected range stops below 7.4.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_CONFIRMPatchVendor Advisory
Source: cverecord
https://github.com/symfony/symfony/security/advisories/GHSA-6439-2f28-8p8q
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/symfony/symfony/releases/tag/v7.4.12
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/symfony/symfony/releases/tag/v8.0.12

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-863

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