NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization

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Summary

CVECVE-2026-11461
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-07 22:16:22 UTC
Updated2026-06-09 16:16:37 UTC
DescriptionA vulnerability has been found in NousResearch hermes-agent up to 0.12.0. This affects the function resolve_session_by_title of the file hermes_state.py of the component resume Endpoint. Such manipulation of the argument Title leads to authorization bypass. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

EPSS: 0.000430000 probability, percentile 0.132920000 (date 2026-06-08)

Problem Types: CWE-285 | CWE-639 | CWE-639 Authorization Bypass | CWE-285 Improper Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NousResearch Hermes-agent affected 0.1 Not specified
CNA NousResearch Hermes-agent affected 0.2 Not specified
CNA NousResearch Hermes-agent affected 0.3 Not specified
CNA NousResearch Hermes-agent affected 0.4 Not specified
CNA NousResearch Hermes-agent affected 0.5 Not specified
CNA NousResearch Hermes-agent affected 0.6 Not specified
CNA NousResearch Hermes-agent affected 0.7 Not specified
CNA NousResearch Hermes-agent affected 0.8 Not specified
CNA NousResearch Hermes-agent affected 0.9 Not specified
CNA NousResearch Hermes-agent affected 0.10 Not specified
CNA NousResearch Hermes-agent affected 0.11 Not specified
CNA NousResearch Hermes-agent affected 0.12.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/369081 [email protected] vuldb.com
gist.github.com/YLChen-007/7951b3dc39193fb675914cc5d8b672fa 134c704f-9b21-4f2e-91b3-4a467353bcc0 gist.github.com
vuldb.com/cve/CVE-2026-11461 [email protected] vuldb.com
vuldb.com/vuln/369081/cti [email protected] vuldb.com
vuldb.com/submit/829402 134c704f-9b21-4f2e-91b3-4a467353bcc0 vuldb.com
gist.github.com/YLChen-007/c2d162e9c8d39584223683cdcba98607 [email protected] gist.github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Eric-b (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-07T00:00:00.000ZAdvisory disclosed
CNA2026-06-07T02:00:00.000ZVulDB entry created
CNA2026-06-07T09:33:10.000ZVulDB entry last update
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