Thinkst Applied Research Canarytokens Exposed AWS API cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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2.5$0-$5k2.18

Summaryinfo

A vulnerability was found in Thinkst Applied Research Canarytokens and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Exposed AWS API. The manipulation results in cross site scripting. This vulnerability is known as CVE-2026-13140. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Thinkst Applied Research Canarytokens (the affected version is unknown). Affected is an unknown code of the component Exposed AWS API. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

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.

The weakness was published by Arkadiusz Marta. The advisory is available at github.com. This vulnerability is traded as CVE-2026-13140 since 06/24/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is declared as proof-of-concept.

Applying the patch f5aa5c4e is able to eliminate this problem.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: f5aa5c4e

Timelineinfo

06/24/2026 Advisory disclosed
06/24/2026 +0 days CVE reserved
06/24/2026 +0 days VulDB entry created
06/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Researcher: Arkadiusz Marta
Status: Confirmed

CVE: CVE-2026-13140 (🔒)
GCVE (CVE): GCVE-0-2026-13140
GCVE (VulDB): GCVE-100-373230

Entryinfo

Created: 06/24/2026 15:06
Changes: 06/24/2026 15:06 (68)
Complete: 🔍
Cache ID: 216::103

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