CVE-2026-10221 (GCVE-0-2026-10221)

Vulnerability from cvelistv5 – Published: 2026-06-01 03:45 – Updated: 2026-06-01 03:45
VLAI
Title
NousResearch hermes-agent run_agent.py _compress_context injection
Summary
A vulnerability was identified in NousResearch hermes-agent up to 0.12.0. Affected by this vulnerability is the function _compress_context of the file run_agent.py. The manipulation leads to injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/367500 vdb-entrytechnical-description
https://vuldb.com/vuln/367500/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10221 third-party-advisory
https://vuldb.com/submit/822019 third-party-advisory
https://gist.github.com/YLChen-007/d343fcfe2c009c… exploit
Impacted products
Vendor Product Version
NousResearch hermes-agent Affected: 0.1
Affected: 0.2
Affected: 0.3
Affected: 0.4
Affected: 0.5
Affected: 0.6
Affected: 0.7
Affected: 0.8
Affected: 0.9
Affected: 0.10
Affected: 0.11
Affected: 0.12.0
    cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-j (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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          "value": "VulDB entry last update"
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    "datePublished": "2026-06-01T03:45:08.230Z",
    "dateReserved": "2026-05-31T07:51:23.739Z",
    "dateUpdated": "2026-06-01T03:45:08.230Z",
    "state": "PUBLISHED"
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  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.