CVE-2016-1000001
flask-oidc Open Redirect vulnerability
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.4
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
- Record
CVE-2016-1000001- CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE List No score
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
- Record
CVE-2016-1000001- Updated
- 2026-11-02
EUVDEUVD-2016-0010 No score
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
- Record
EUVD-2016-0010- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f9q6-69fh-4w5w
8.3
flask-oidc Open Redirect vulnerability
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect.
- Record
GHSA-f9q6-69fh-4w5w- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N - CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
7.4
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
- Record
CVE-2016-1000001- CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-f9q6-69fh-4w5w
8.3
flask-oidc Open Redirect vulnerability
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect.
- Record
GHSA-f9q6-69fh-4w5w- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N - CVSS 3.0
- 7.4 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSVPYSEC-2016-25 No score
flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect
- Record
PYSEC-2016-25- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flask-oidcPyPI |
before 1.0.0 | 1.0.0 |
flask-oidcPyPI |
before 1.0.0, plus listed versions 0.1.00.1.10.1.2 |
1.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-1000001 is a high vulnerability (CVSS 7.4) in Flask-oidc Project Flask-oidc, published October 7, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. Fixed in flask-oidc 1.0.0.
References
github.com/puiterwijk/flask-oidc/blob/master/flask_oidc/__init__.py
nvd.nist.gov/vuln/detail/CVE-2016-1000001
github.com/puiterwijk/flask-oidc/commit/f2ef8b4ffa445be00f6602e446e60916f4ee4d30
github.com/pypa/advisory-database/tree/main/vulns/flask-oidc/PYSEC-2016-25.yaml
github.com/advisories/GHSA-f9q6-69fh-4w5w
github.com/puiterwijk/flask-oidc