NousResearch hermes-agent up to 2026.4.30 Webhook Endpoint feishu.py _handle_webhook_request resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in NousResearch hermes-agent up to 2026.4.30 and classified as problematic. This issue affects the function _handle_webhook_request of the file gateway/platforms/feishu.py of the component Webhook Endpoint. Performing a manipulation results in resource consumption.
This vulnerability was named CVE-2026-10224. The attack may be initiated remotely. In addition, an exploit is available.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in NousResearch hermes-agent up to 2026.4.30. It has been classified as problematic. This affects the function _handle_webhook_request of the file gateway/platforms/feishu.py of the component Webhook Endpoint. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.
It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2026-10224. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
- 2026.4.0
- 2026.4.1
- 2026.4.2
- 2026.4.3
- 2026.4.4
- 2026.4.5
- 2026.4.6
- 2026.4.7
- 2026.4.8
- 2026.4.9
- 2026.4.10
- 2026.4.11
- 2026.4.12
- 2026.4.13
- 2026.4.14
- 2026.4.15
- 2026.4.16
- 2026.4.17
- 2026.4.18
- 2026.4.19
- 2026.4.20
- 2026.4.21
- 2026.4.22
- 2026.4.23
- 2026.4.24
- 2026.4.25
- 2026.4.26
- 2026.4.27
- 2026.4.28
- 2026.4.29
- 2026.4.30
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
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: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/31/2026 Advisory disclosed05/31/2026 VulDB entry created
05/31/2026 VulDB entry last update
Sources
Advisory: gist.github.comStatus: Not defined
CVE: CVE-2026-10224 (🔒)
GCVE (CVE): GCVE-0-2026-10224
GCVE (VulDB): GCVE-100-367503
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/31/2026 09:56Changes: 05/31/2026 09:56 (57)
Complete: 🔍
Submitter: Eric-j
Cache ID: 216::103
Submit
Accepted
- Submit #822022: NousResearch hermes-agent <= v2026.4.30 Uncontrolled Resource Consumption (CWE-400) (by Eric-j)
Be aware that VulDB is the high quality source for vulnerability data.
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