NVD / CVE Program· CNA VulDB

CVE-2026-14783: NousResearch hermes-agent skills_tool.py skill_view path traversal

LowCVSS 2.1 · v4.0—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 8/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.47% (FIRST EPSS).
Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
No fixed version is recorded, but the references include a patch (commit or PR) link.
Severity is disputed: the assigning authority (CNA) scores it 5.3, NVD 2.1.

Low priority for now. See the fix and affected versions sections below.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability was determined in NousResearch hermes-agent 2026.5.29.2. The impacted element is the function skill_view of the file tools/skills_tool.py. Executing a manipulation of the argument Name can lead to path traversal. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 56f833efa427ccb444c0f9ad1759af1012f2124d. It is advisable to implement a patch to correct this issue.

Path traversal

Published: Jul 6, 2026
Updated: Oct 25, 2026
EPSS: 0.4% · 41th percentile
CWE: CWE-22

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 8 / 40 · 2.1 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.4%

CISA SSVC decision

Exploitation: proof of concept
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · VulDB: 5.3; NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

NousResearch hermes-agent
- 2026.5.29.2affected

Same product

nousresearch: all records

Other highest-scoring records for the same primary product.

CVE-2026-82021Hermes Agent 0.18.2 < 0.19.0 MCP Catalog Supply Chain RCE via Mutable Branch Reference
36Monitor
CVE-2026-71963Hermes Agent 0.18.2 - 0.21.0 RCE via git core.fsmonitor Config Injection
34Monitor
CVE-2026-53869Hermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket Endpoints
34Monitor

Published before and after this one in the same product

← EarlierCVE-2026-14627Jul 4, 2026 · NousResearch hermes-agent Discord Platform Integration discord.py DiscordAdapter._is_allowed_user improper authentication
11Monitor
← EarlierCVE-2026-14628Jul 4, 2026 · NousResearch hermes-agent Live Webhook Endpoint base.py extract_media path traversal
22Monitor
Later →CVE-2026-15311Jul 10, 2026 · NousResearch hermes-agent Matrix Adapter matrix.py MatrixAdapter._markdown_to_html cross site scripting
8Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Eric-y (VulDB User)reporter

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-146282 days apartNousResearch hermes-agent Live Webhook Endpoint base.py extract_media path traversal
22Monitor
CVE-2026-935143 days apartNousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal
22Monitor
CVE-2026-739668 days apartNousResearch hermes-agent WeChat Work Platform Adapter wecom.py path traversal
22Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

CVE-2026-5386919 days apartHermes Agent < 0.16.0 - DNS Rebinding Bypass via WebSocket Endpoints
34Monitor
CVE-2026-146272 days apartNousResearch hermes-agent Discord Platform Integration discord.py DiscordAdapter._is_allowed_user improper authentication
11Monitor
CVE-2026-711370 days apartNousResearch hermes-agent Webhooks Endpoint webhook.py missing authentication
11Monitor
CVE-2026-711270 days apartNousResearch hermes-agent API_SERVER_KEY api_server.py _check_auth improper authentication
11Monitor

Not on record for this CVE: EPSS history · public bounty program.

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: X

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:4.0/AV:N/AC:L/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

nvd-secondary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const file = path.join(ROOT, req.query.name);
2res.sendFile(file);

Fixed

1const file = path.resolve(ROOT, req.query.name);
2if (!file.startsWith(ROOT + path.sep)) {
3  return res.sendStatus(400);
4}
5res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

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Change log (0)

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

github.com/NousResearch/hermes-agent/

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records