CVE-2025-5279

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

7.0 HighFix available

When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider. An insecure connection could allow an actor to intercept the token exchange process and retrieve an access token.

This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

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: None
Integrity: None
Availability: None

Exploit likelihood

0.31%Up 0.3 points since May 28, 2025

What each source reports

CVE List Score used 7.0

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

Record: CVE-2025-5279
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Weakness: CWE-295
Updated: 2026-11-02

EUVDEUVD-2025-28464 7.0

This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

Record: EUVD-2025-28464
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r244-wg5g-6w2r 7.0

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

Summary

Amazon Redshift Python Connector is a pure Python connector to Redshift (i.e., driver) that implements the Python Database API Specification 2.0.

When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider.

Impact

An insecure connection could allow an actor to intercept the token exchange process and retrieve an access token.

Impacted versions: >=2.0.872;<=2.1.6

Patches

Upgrade Amazon Redshift Python Connector to version 2.1.7 and ensure any forked or derivative code is patched to incorporate the new fixes.

Workarounds

None

References

If you have any questions or comments about this advisory we ask that you contact AWS/Amazon Security via our vulnerability reporting page [1] or directly via email to [email protected]. Please do not create a public GitHub issue.

[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting

Record: GHSA-r244-wg5g-6w2r
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-295
Updated: 2026-11-02

NVD 7.0

This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

Record: CVE-2025-5279
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-295
Updated: 2026-11-02

OSV 7.0

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

Record: CVE-2025-5279
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Weakness: CWE-295
Updated: 2026-11-02

OSVGHSA-r244-wg5g-6w2r 7.0

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

Summary

Amazon Redshift Python Connector is a pure Python connector to Redshift (i.e., driver) that implements the Python Database API Specification 2.0.

When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider.

Impact

An insecure connection could allow an actor to intercept the token exchange process and retrieve an access token.

Impacted versions: >=2.0.872;<=2.1.6

Patches

Upgrade Amazon Redshift Python Connector to version 2.1.7 and ensure any forked or derivative code is patched to incorporate the new fixes.

Workarounds

None

References

[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting

Record: GHSA-r244-wg5g-6w2r
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-295
Updated: 2026-11-02

OSVPYSEC-2026-1867 7.0

Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

Summary

Amazon Redshift Python Connector is a pure Python connector to Redshift (i.e., driver) that implements the Python Database API Specification 2.0.

When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider.

Impact

An insecure connection could allow an actor to intercept the token exchange process and retrieve an access token.

Impacted versions: >=2.0.872;<=2.1.6

Patches

Upgrade Amazon Redshift Python Connector to version 2.1.7 and ensure any forked or derivative code is patched to incorporate the new fixes.

Workarounds

None

References

[1] Vulnerability reporting page: https://aws.amazon.com/security/vulnerability-reporting

Record: PYSEC-2026-1867
CVSS 4.0: 7.0 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVROOT-APP-PYPI-CVE-2025-5279 7.5

CVE-2025-5279 in rootio-redshift-connector - Patched by Root

Root has patched CVE-2025-5279 in the rootio-redshift-connector package for Root:PyPI. Multiple fixed versions available.

Record: ROOT-APP-PYPI-CVE-2025-5279
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

amazon redshift

Affected packages

Affected packages
Package	Affected	Fixed
`redshift-connector` PyPI	2.0.872 to 2.1.6	2.1.7
`redshift-connector` PyPI	2.0.872 up to 2.1.7, plus listed versions 2.0.8732.0.8742.0.8752.0.8762.0.877 Show 38 moreShow less 2.0.8782.0.8792.0.8802.0.8812.0.8822.0.8832.0.8842.0.8852.0.8862.0.8872.0.8882.0.8892.0.9002.0.9012.0.9022.0.9032.0.9042.0.9052.0.9062.0.9072.0.9082.0.9092.0.9102.0.9112.0.9122.0.9132.0.9142.0.9152.0.9162.0.9172.0.9182.1.02.1.12.1.22.1.32.1.42.1.52.1.6	2.1.7
`rootio-redshift-connector` Root:PyPI	before 2.0.908+root.io.1	2.0.908+root.io.12.1.6+root.io.12.1.3+root.io.12.1.6+root.io.22.1.3+root.io.22.0.908+root.io.2
`redshift-connector` Root:PyPI	before 2.0.908+aikido.2	2.0.908+aikido.22.1.3+aikido.22.1.6+aikido.2

History

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

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

In short

CVE-2025-5279 is a high vulnerability (CVSS 7.0) in Amazon Redshift, published May 27, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in redshift-connector 2.1.7.