CVE-2026-14617 (GCVE-0-2026-14617)

Vulnerability from cvelistv5 – Published: 2026-07-03 21:45 – Updated: 2026-07-06 19:40
VLAI
Title
NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity
Summary
A 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."
Severity
2.3 (Low)
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
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
3.1 (Low)
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
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-178 - Improper Handling of Case Sensitivity
  • CWE-697 - Incorrect Comparison
Assigner
References
Impacted products
Vendor Product Version
NousResearch hermes-agent Affected: 2026.4.0
Affected: 2026.4.1
Affected: 2026.4.2
Affected: 2026.4.3
Affected: 2026.4.4
Affected: 2026.4.5
Affected: 2026.4.6
Affected: 2026.4.7
Affected: 2026.4.8
Affected: 2026.4.9
Affected: 2026.4.10
Affected: 2026.4.11
Affected: 2026.4.12
Affected: 2026.4.13
Affected: 2026.4.14
Affected: 2026.4.15
Affected: 2026.4.16
Affected: 2026.4.17
Affected: 2026.4.18
Affected: 2026.4.19
Affected: 2026.4.20
Affected: 2026.4.21
Affected: 2026.4.22
Affected: 2026.4.23
Affected: 2026.4.24
Affected: 2026.4.25
Affected: 2026.4.26
Affected: 2026.4.27
Affected: 2026.4.28
Affected: 2026.4.29
Affected: 2026.4.30
    cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-a (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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{\"version\": \"4.0\", \"baseScore\": 2.3, \"baseSeverity\": \"LOW\", \"vectorString\": \"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\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 3.1, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 3.1, \"baseSeverity\": \"LOW\", \"vectorString\": \"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\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 2.1, \"vectorString\": \"AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:C\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*\"], \"vendor\": \"NousResearch\", \"modules\": [\"Streaming Reasoning Tag Filter\"], \"product\": \"hermes-agent\", \"versions\": [{\"status\": \"affected\", \"version\": \"2026.4.0\"}, {\"status\": \"affected\", \"version\": \"2026.4.1\"}, {\"status\": \"affected\", \"version\": \"2026.4.2\"}, {\"status\": \"affected\", \"version\": \"2026.4.3\"}, {\"status\": \"affected\", \"version\": \"2026.4.4\"}, {\"status\": \"affected\", \"version\": \"2026.4.5\"}, {\"status\": \"affected\", \"version\": \"2026.4.6\"}, {\"status\": \"affected\", \"version\": \"2026.4.7\"}, {\"status\": \"affected\", \"version\": \"2026.4.8\"}, {\"status\": \"affected\", \"version\": \"2026.4.9\"}, {\"status\": \"affected\", \"version\": \"2026.4.10\"}, {\"status\": \"affected\", \"version\": \"2026.4.11\"}, {\"status\": \"affected\", \"version\": \"2026.4.12\"}, {\"status\": \"affected\", \"version\": \"2026.4.13\"}, {\"status\": \"affected\", \"version\": \"2026.4.14\"}, {\"status\": \"affected\", \"version\": \"2026.4.15\"}, {\"status\": \"affected\", \"version\": \"2026.4.16\"}, {\"status\": \"affected\", \"version\": \"2026.4.17\"}, {\"status\": \"affected\", \"version\": \"2026.4.18\"}, {\"status\": \"affected\", \"version\": \"2026.4.19\"}, {\"status\": \"affected\", \"version\": \"2026.4.20\"}, {\"status\": \"affected\", \"version\": \"2026.4.21\"}, {\"status\": \"affected\", \"version\": \"2026.4.22\"}, {\"status\": \"affected\", \"version\": \"2026.4.23\"}, {\"status\": \"affected\", \"version\": \"2026.4.24\"}, {\"status\": \"affected\", \"version\": \"2026.4.25\"}, {\"status\": \"affected\", \"version\": \"2026.4.26\"}, {\"status\": \"affected\", \"version\": \"2026.4.27\"}, {\"status\": \"affected\", \"version\": \"2026.4.28\"}, {\"status\": \"affected\", \"version\": \"2026.4.29\"}, {\"status\": \"affected\", \"version\": \"2026.4.30\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-07-03T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-07-03T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-07-03T18:36:25.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/376134\", \"name\": \"VDB-376134 | NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/376134/cti\", \"name\": \"VDB-376134 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-14617\", \"name\": \"CVE-2026-14617 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/844654\", \"name\": \"Submit #844654 | Nous Research hermes-agent v2026.4.30 Improper Handling of Case Sensitivity Leading to Information Disclosure (CWE-178)\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/NousResearch/hermes-agent/issues/27288\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://github.com/NousResearch/hermes-agent/pull/28631#issuecomment-4622188016\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://gist.github.com/YLChen-007/2229e5505bcbb3e15a7ae8fba4c4be37\", \"tags\": [\"exploit\"]}, {\"url\": \"https://github.com/NousResearch/hermes-agent/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A 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\u0027s 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.\\\"\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-178\", \"description\": \"Improper Handling of Case Sensitivity\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-697\", \"description\": \"Incorrect Comparison\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-07-03T21:45:10.246Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-14617\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-06T19:40:14.670Z\", \"dateReserved\": \"2026-07-03T16:31:16.337Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-07-03T21:45:10.246Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
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.