2.1
LOW CVSS 4.0
CVE-2026-101271
OAuth credentials not disabled when application is disabled
Description

OAuth credentials (access tokens) are valid for the entirety of their lifetime, even if the application (OAuth client) they are bound to is manually disabled.

INFO

Published Date :

Sept. 29, 2026, 1:17 p.m.

Last Modified :

Sept. 29, 2026, 9:28 p.m.

Remotely Exploit :

Yes !

Source :

655498c3-6ec5-4f0b-aea6-853b334d05a6
Affected Products

The following products are affected by CVE-2026-101271 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Pretix pretix
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 LOW 655498c3-6ec5-4f0b-aea6-853b334d05a6
CVSS 4.0 LOW 655498c3-6ec5-4f0b-aea6-853b334d05a6
Solution
Ensure disabled OAuth clients invalidate associated access tokens immediately.
  • Revoke existing tokens for disabled clients.
  • Implement token invalidation upon client disablement.
  • Update token lifecycle management logic.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-101271.

URL Resource
https://pretix.eu/about/en/blog/20260929-release-2026-7-1/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-101271 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-101271 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-101271 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-101271 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 29, 2026

    Action Type Old Value New Value
    Added CWE CWE-613
    Added SSVC {'id': 'CVE-2026-101271', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-29T14:43:40.722994Z'}
  • New CVE Received by 655498c3-6ec5-4f0b-aea6-853b334d05a6

    Sep. 29, 2026

    Action Type Old Value New Value
    Added Description OAuth credentials (access tokens) are valid for the entirety of their lifetime, even if the application (OAuth client) they are bound to is manually disabled.
    Added CVSS V4.0 AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/101xxx/CVE-2026-101271.json">CVE-2026-101271</a>
    Added Reference https://pretix.eu/about/en/blog/20260929-release-2026-7-1/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.