Cyber Resilience

CVE-2026-45064

Sensiolabs Symfony 6.1.0 – 6.4.40

Published
14 July 2026
Modified
21 July 2026
Patch / advisory
View advisory
CVSS Score v4 2.3
Click a component to see what it means
Raw vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0029 22th percentile
Risk Priority 15 floored blend · peak EPSS

Summary

CVE-2026-45064 is a low-severity User Interface (UI) Misrepresentation of Critical Information (CWE-451) vulnerability in Sensiolabs Symfony. Its CVSS base score is 2.3 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Match Legitimate Resource Name or Location (T1036.005); ranked at the 22th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A06:2025 Insecure Design

EU & UK References

No EU or UK CSIRT advisories indexed for this CVE.

Vulnerability Data

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.1.0-BETA1 until 6.4.40, 7.4.12, and 8.0.12, UrlSanitizer::parse() passes Unicode explicit-direction BiDi formatting characters through into sanitized href and src attributes, allowing sanitized…

more

content to display a link destination that visually differs from the actual destination and enabling phishing-style visual spoofing. This issue is fixed in versions 6.4.40, 7.4.12, and 8.0.12.

CWE(s)
CWE-451CWE-1007

Related Threats

MITRE ATT&CK Enterprise Techniques

T1036.005 Match Legitimate Resource Name or Location Stealth
Adversaries may match or approximate the name or location of legitimate files, Registry keys, or other resources when naming/placing them.
attack.mitre.org →
T1566 Phishing Initial Access
Adversaries may send phishing messages to gain access to victim systems.
attack.mitre.org →
T1566.002 Spearphishing Link Initial Access
Adversaries may send spearphishing emails with a malicious link in an attempt to gain access to victim systems.
attack.mitre.org →
T1566.003 Spearphishing via Service Initial Access
Adversaries may send spearphishing messages via third-party services in an attempt to gain access to victim systems.
attack.mitre.org →
T1598 Phishing for Information Reconnaissance
Adversaries may send phishing messages to elicit sensitive information that can be used during targeting.
attack.mitre.org →
T1598.003 Spearphishing Link Reconnaissance
Adversaries may send spearphishing messages with a malicious link to elicit sensitive information that can be used during targeting.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-48760Same product: Sensiolabs Symfony
CVE-2024-50345Same product: Sensiolabs Symfony
CVE-2026-45065Same product: Sensiolabs Symfony
CVE-2026-48784Same product: Sensiolabs Symfony
CVE-2026-48761Same product: Sensiolabs Symfony
CVE-2026-45074Same product: Sensiolabs Symfony
CVE-2026-45063Same product: Sensiolabs Symfony
CVE-2026-45753Same product: Sensiolabs Symfony
CVE-2026-47767Same product: Sensiolabs Symfony
CVE-2026-45756Same product: Sensiolabs Symfony

Affected Assets

sensiolabs
symfony
6.1.0 — 6.4.40 · 7.0.0 — 7.4.12 · 8.0.0 — 8.0.12

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly address design and implementation of accurate, non-spoofable UI elements.

PR.AT-01 partial match
prevents

User awareness training helps people recognize and avoid harm from UI misrepresentation such as phishing, but does not prevent the flaw itself.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect UI misrepresentation vulnerabilities before deployment.

A.6.3 Information security awareness, education and training partial match
prevents

Security awareness training can teach users to recognize UI misrepresentation and phishing attempts.

A.8.23 Web filtering partial match
mitigates

Web filtering can block known phishing sites that exploit UI misrepresentation.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle includes UI/UX security requirements that can prevent misrepresentation of critical information.

A.8.26 Application security requirements partial match
prevents

Application security requirements can mandate proper display and validation of critical information in the UI.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles can include user-interface protections that reduce visual ambiguity.

References