CVE-2014-8650

Improper Authentication in requests-kerberos

9.8 CriticalFix available

python-requests-Kerberos through 0.5 does not handle mutual authentication

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.65%Up 2.6 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: CVE-2014-8650
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: CVE-2014-8650
Updated: 2026-11-02

EUVDEUVD-2019-0123 No score

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: EUVD-2019-0123
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wh37-37xw-54hr 9.3

Improper Authentication in requests-kerberos

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: GHSA-wh37-37xw-54hr
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

OSV 9.8

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: CVE-2014-8650
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2014-8650 9.8

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: DEBIAN-CVE-2014-8650
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-wh37-37xw-54hr 9.3

Improper Authentication in requests-kerberos

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: GHSA-wh37-37xw-54hr
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

OSVPYSEC-2019-200 No score

python-requests-Kerberos through 0.5 does not handle mutual authentication

Record: PYSEC-2019-200
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`requests-kerberos` PyPI	before 0.6	0.6
`python-requests-kerberos` Debian:12	before 0.5-2	0.5-2
`python-requests-kerberos` Debian:13	before 0.5-2	0.5-2
`python-requests-kerberos` Debian:14	before 0.5-2	0.5-2
`requests-kerberos` PyPI	before 0.6, plus listed versions 0.0.00.20.30.40.5	0.6

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-8650 is a critical vulnerability (CVSS 9.8) in Requests-kerberos Project Requests-kerberos, published December 15, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.65%, the 89th percentile. Fixed in requests-kerberos 0.6.

References

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