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CVE-2026-14626

A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.run_conversation of the file run_agent.py of the component HTTP API. This manipulation of the argument todos causes denial of service. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1b6ae15c125ca66e0721d4799fc2afe18c83d584d1112af836c85b697fdd40d5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/3/cvssV2_0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*"],"modules":["HTTP API"],"product":"hermes-agent","vendor":"NousResearch","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","…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

1 source assertion
{"cweId":"CWE-404","description":"Denial of Service","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/YLChen-007/b91a85f9448beadebe25d37a3f4fd760"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/references/4
{"name":"CVE-2026-14626 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-14626"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/references/2
{"name":"Submit #845596 | NousResearch Hermes Agent <= v2026.4.30 Insufficient Verification of Data Authenticity (CWE-345)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/845596"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/references/3
{"name":"VDB-376142 | NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/376142"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/references/0
{"name":"VDB-376142 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/376142/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eacf2485c3f89d47c528ca34dcdf037dab11261ebe9618cc44e1e1a87702b6ad · sha256:5c4de3e0ea435b44… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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