Vulnerability-Lookup

CVE-2026-85105 (GCVE-0-2026-85105)

Vulnerability from cvelistv5 – Published: 2026-09-03 11:00 – Updated: 2026-09-03 12:28

Title

NousResearch hermes-agent Session Management s71.py _sess_nowait authorization

Summary

A flaw has been found in NousResearch hermes-agent 0.18.0. Affected by this issue is the function _sess_nowait of the file s71.py of the component Session Management. This manipulation of the argument session_id causes authorization bypass. The attack can be initiated remotely. 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:X

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:X

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:X

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 12:27 UTC

CWE

CWE-639 - Authorization Bypass
CWE-285 - Improper Authorization

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/vuln/398312	vdb-entrytechnical-description
https://vuldb.com/vuln/398312/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85105	third-party-advisory
https://vuldb.com/submit/885131	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
NousResearch	hermes-agent	Affected: 0.18.0 cpe:2.3:a:nousresearch:hermes-agent::::::::

Credits

KendrickZou (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-85105

Vulnerability from fkie_nvd - Published: 2026-09-03 13:06 - Updated: 2026-09-03 17:25

Severity

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-85105
	cna@vuldb.com	https://vuldb.com/submit/885131
	cna@vuldb.com	https://vuldb.com/vuln/398312
	cna@vuldb.com	https://vuldb.com/vuln/398312/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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      "affectedData": [
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          "cpes": [
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-03T12:27:55.320701Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-03T13:06:21.250",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-85105"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/885131"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398312"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398312/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        },
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-47G2-35XP-X46H

Vulnerability from github – Published: 2026-09-03 15:32 – Updated: 2026-09-03 15:32

Details

Severity

7.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-85105"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T13:06:21Z",
    "severity": "MODERATE"
  },
  "details": "A flaw has been found in NousResearch hermes-agent 0.18.0. Affected by this issue is the function _sess_nowait of the file s71.py of the component Session Management. This manipulation of the argument session_id causes authorization bypass. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-47g2-35xp-x46h",
  "modified": "2026-09-03T15:32:17Z",
  "published": "2026-09-03T15:32:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85105"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-85105"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/885131"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398312"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398312/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-85105 (GCVE-0-2026-85105)

FKIE_CVE-2026-85105

GHSA-47G2-35XP-X46H

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Sightings

Nomenclature

Related by attack behaviour