What’s Vulnerable › Vulnerabilities

CVE-2019-13611

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-16 · updated 2026-06-17
• Weakness: CWE-352

Description

An issue was discovered in python-engineio through 3.8.2. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to a server by using a victim's credentials, because the Origin header is not restricted.

Affected products

• Python-Engineio Project Python-Engineio: through 3.8.2

References

• https://github.com/miguelgrinberg/python-engineio/issues/128
• https://github.com/miguelgrinberg/python-engineio/issues/128

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