NousResearch hermes-agent 2026.6.5 SimpleX Gateway Authorization adapter.py contactId access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k1.07-

Summaryinfo

A vulnerability marked as critical has been reported in NousResearch hermes-agent 2026.6.5. Affected by this issue is some unknown functionality of the file hermes-agent/plugins/platforms/simplex/adapter.py of the component SimpleX Gateway Authorization. This manipulation of the argument contactId causes access control. This vulnerability is registered as CVE-2026-17432. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in NousResearch hermes-agent 2026.6.5. It has been declared as critical. Affected by this vulnerability is an unknown code of the file hermes-agent/plugins/platforms/simplex/adapter.py of the component SimpleX Gateway Authorization. The manipulation of the argument contactId with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-17432. The exploitation appears to be difficult. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch 490c486ff65b766d9de0fe0e6f26e1778aaa8fb3 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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: 490c486ff65b766d9de0fe0e6f26e1778aaa8fb3

Timelineinfo

07/25/2026 Advisory disclosed
07/25/2026 +0 days VulDB entry created
07/25/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 44729/44730
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-17432 (🔒)
GCVE (CVE): GCVE-0-2026-17432
GCVE (VulDB): GCVE-100-383065
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/25/2026 12:47
Changes: 07/25/2026 12:47 (62)
Complete: 🔍
Submitter: Erichen-x
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #862424: NousResearch hermes-agent 9121834b31984c2125738c7243792cbd2dc79df6 (unreleased origin/main, post-v2026.6.5) Authentication Bypass by Spoofing (CWE-290) (by Erichen-x)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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