CVE-2026-13140
Stored Cross-Site Scripting in Canarytokens.org
Description
Stored Cross-Site Scripting in the exposed AWS API key store of Thinkst Applied Research Canarytokens. Anonymous exploitation requires knowledge of a random identifier. This issue affects Canarytokens: from Docker tag sha-4116b92cb before sha-f5aa5c4e, from Git commit 4116b92cb before f5aa5c4e.
INFO
Published Date :
June 24, 2026, 1:16 p.m.
Last Modified :
June 25, 2026, 7:52 p.m.
Remotely Exploit :
Yes !
Source :
0f2be0ad-3469-4e56-b38f-4eb96719b425
Affected Products
The following products are affected by CVE-2026-13140
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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | LOW | 0f2be0ad-3469-4e56-b38f-4eb96719b425 | ||||
| CVSS 4.0 | LOW | 0f2be0ad-3469-4e56-b38f-4eb96719b425 |
Solution
- Update Canarytokens to version f5aa5c4e or later.
- Review API key storage security.
- Implement input validation for all user inputs.
- Sanitize all user-generated content before display.
Public PoC/Exploit Available at Github
CVE-2026-13140 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-13140.
| URL | Resource |
|---|---|
| https://github.com/thinkst/canarytokens/security/advisories/GHSA-23pf-xjp2-48q6 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-13140 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-2026-13140
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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-13140 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-13140 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.
-
New CVE Received by 0f2be0ad-3469-4e56-b38f-4eb96719b425
Jun. 24, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Thinkst Applied Research', 'product': 'Canarytokens', 'versions': [{'status': 'affected', 'version': 'sha-4116b92cb', 'lessThan': 'f5aa5c4e', 'versionType': 'custom'}, {'status': 'affected', 'version': '4116b92cb', 'lessThan': 'f5aa5c4e', 'versionType': 'git'}], 'defaultStatus': 'unaffected'}] Added Description Stored Cross-Site Scripting in the exposed AWS API key store of Thinkst Applied Research Canarytokens. Anonymous exploitation requires knowledge of a random identifier. This issue affects Canarytokens: from Docker tag sha-4116b92cb before sha-f5aa5c4e, from Git commit 4116b92cb before f5aa5c4e. Added CVSS V4.0 AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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 CWE CWE-79 Added Reference https://github.com/thinkst/canarytokens/security/advisories/GHSA-23pf-xjp2-48q6 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 24, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-13140', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-24T12:19:58.505826Z'}