NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

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Summary

CVECVE-2026-14617
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-03 22:16:52 UTC
Updated2026-07-03 22:16:52 UTC
DescriptionA security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer._filter_and_accumulate of the file gateway/stream_consumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case sensitivity. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. The project decided to not implement a dedicated fix: "[T]he analysis and the fix are both sound. It just lands below the bar for the maintenance cost of a duplicated scrub path."

Risk And Classification

Primary CVSS: v4.0 1.3 LOW from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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

Problem Types: CWE-178 | CWE-697 | CWE-178 Improper Handling of Case Sensitivity | CWE-697 Incorrect Comparison

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED2.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED3.1LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
3.0CNADECLARED3.1LOWCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
2.0[email protected]Secondary2.1AV:N/AC:H/Au:S/C:P/I:N/A:N
2.0CNADECLARED2.1AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:C

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NousResearch Hermes-agent affected 2026.4.0 Not specified
CNA NousResearch Hermes-agent affected 2026.4.1 Not specified
CNA NousResearch Hermes-agent affected 2026.4.2 Not specified
CNA NousResearch Hermes-agent affected 2026.4.3 Not specified
CNA NousResearch Hermes-agent affected 2026.4.4 Not specified
CNA NousResearch Hermes-agent affected 2026.4.5 Not specified
CNA NousResearch Hermes-agent affected 2026.4.6 Not specified
CNA NousResearch Hermes-agent affected 2026.4.7 Not specified
CNA NousResearch Hermes-agent affected 2026.4.8 Not specified
CNA NousResearch Hermes-agent affected 2026.4.9 Not specified
CNA NousResearch Hermes-agent affected 2026.4.10 Not specified
CNA NousResearch Hermes-agent affected 2026.4.11 Not specified
CNA NousResearch Hermes-agent affected 2026.4.12 Not specified
CNA NousResearch Hermes-agent affected 2026.4.13 Not specified
CNA NousResearch Hermes-agent affected 2026.4.14 Not specified
CNA NousResearch Hermes-agent affected 2026.4.15 Not specified
CNA NousResearch Hermes-agent affected 2026.4.16 Not specified
CNA NousResearch Hermes-agent affected 2026.4.17 Not specified
CNA NousResearch Hermes-agent affected 2026.4.18 Not specified
CNA NousResearch Hermes-agent affected 2026.4.19 Not specified
CNA NousResearch Hermes-agent affected 2026.4.20 Not specified
CNA NousResearch Hermes-agent affected 2026.4.21 Not specified
CNA NousResearch Hermes-agent affected 2026.4.22 Not specified
CNA NousResearch Hermes-agent affected 2026.4.23 Not specified
CNA NousResearch Hermes-agent affected 2026.4.24 Not specified
CNA NousResearch Hermes-agent affected 2026.4.25 Not specified
CNA NousResearch Hermes-agent affected 2026.4.26 Not specified
CNA NousResearch Hermes-agent affected 2026.4.27 Not specified
CNA NousResearch Hermes-agent affected 2026.4.28 Not specified
CNA NousResearch Hermes-agent affected 2026.4.29 Not specified
CNA NousResearch Hermes-agent affected 2026.4.30 Not specified

References

ReferenceSourceLinkTags
github.com/NousResearch/hermes-agent/issues/27288 [email protected] github.com
vuldb.com/cve/CVE-2026-14617 [email protected] vuldb.com
vuldb.com/submit/844654 [email protected] vuldb.com
vuldb.com/vuln/376134 [email protected] vuldb.com
github.com/NousResearch/hermes-agent [email protected] github.com
vuldb.com/vuln/376134/cti [email protected] vuldb.com
gist.github.com/YLChen-007/2229e5505bcbb3e15a7ae8fba4c4be37 [email protected] gist.github.com
github.com/NousResearch/hermes-agent/pull/28631 [email protected] 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-a (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-03T00:00:00.000ZAdvisory disclosed
CNA2026-07-03T02:00:00.000ZVulDB entry created
CNA2026-07-03T18:36:25.000ZVulDB entry last update
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