CVE-2026-72564
fosrl Pangolin - Access Token Scope Bypass Allows Cross-Resource Authentication
Description
An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource.
INFO
Published Date :
Aug. 10, 2026, 11:17 a.m.
Last Modified :
Aug. 10, 2026, 12:17 p.m.
Remotely Exploit :
Yes !
Source :
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Affected Products
The following products are affected by CVE-2026-72564
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.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE |
Solution
- Update the application to a version that addresses the access token validation.
- Ensure target resourceId is passed to verifyResourceAccessToken.
- Scrutinize access token validation logic for authorization issues.
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-2026-72564.
| URL | Resource |
|---|---|
| https://github.com/fosrl/pangolin | |
| https://github.com/fosrl/pangolin/blob/main/server/routers/resource/authWithAccessToken.ts |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72564 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-2026-72564
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-2026-72564 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72564 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 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Aug. 10, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'fosrl', 'product': 'Pangolin', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '1.20.0', 'versionType': 'semver'}]}] [{'vendor': 'fosrl', 'product': 'Pangolin', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.20.0'}], 'defaultStatus': 'unknown'}] Changed Description An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource. The server/routers/resource/authWithAccessToken.ts handler calls verifyResourceAccessToken() without passing the target resourceId, so a valid token scoped to resource X in organization A passes verification for resource Y in organization B. An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource. -
New CVE Received by 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Aug. 10, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'fosrl', 'product': 'Pangolin', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '1.20.0', 'versionType': 'semver'}]}] Added Description An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource. The server/routers/resource/authWithAccessToken.ts handler calls verifyResourceAccessToken() without passing the target resourceId, so a valid token scoped to resource X in organization A passes verification for resource Y in organization B. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N Added CWE CWE-639 Added Reference https://github.com/fosrl/pangolin Added Reference https://github.com/fosrl/pangolin/blob/main/server/routers/resource/authWithAccessToken.ts