What’s Vulnerable › Vulnerabilities

CVE-2017-1000070

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-07-17 · updated 2026-06-17
• Weakness: CWE-601

Description

The Bitly oauth2_proxy in version 2.1 and earlier was affected by an open redirect vulnerability during the start and termination of the 2-legged OAuth flow. This issue was caused by improper input validation and a violation of RFC-6819

Affected products

• oauth2-proxy: through 2.1

References

• https://github.com/bitly/oauth2_proxy/pull/359
• https://tools.ietf.org/html/rfc6819#section-5.2.3.5
• https://github.com/bitly/oauth2_proxy/pull/359
• https://tools.ietf.org/html/rfc6819#section-5.2.3.5

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