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-$5k0.00

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.

The vulnerability is also documented in the databases at CNNVD (CNNVD-2026-33426794) and EUVD (EUVD-2026-49046). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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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: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

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
07/27/2026 +2 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
EUVD: 🔒
CNNVD: CNNVD-2026-33426794 - Nous Research hermes-agent 权限许可和访问控制问题漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/25/2026 12:47
Updated: 07/27/2026 21:26
Changes: 07/25/2026 12:47 (62), 07/26/2026 05:19 (1), 07/27/2026 21:26 (6)
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)

Duplicate

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

Discussion

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