High severity · published Jul 17, 2017
CVE-2017-1000069
CSRF in Bitly oauth2_proxy 2.1 during authentication flow
8.8
CVSS
0.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Oauth2 Proxy · Oauth2 Proxy Project
2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-1000069
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-1000069
Patch
https://github.com/bitly/oauth2_proxy/pull/360
More from Oauth2 Proxy
9.1
CVE-2026-40575
OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing
9.1
CVE-2026-34457
OAuth2 Proxy: Health Check User-Agent Matching Bypasses Authentication in auth_request Mode
9.1
CVE-2025-54576
OAuth2-Proxy is an open-source tool that can act as either a standalone reverse proxy or a middleware component integrated into existing reverse proxy or load balancer setups
8.2
CVE-2026-41059
OAuth2 Proxy has an Authentication Bypass via Fragment Confusion in skip_auth_routes and skip_auth_regex
6.8
CVE-2026-40574
OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims
