CVE-2026-11461
NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A 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.
Public exploit
3 references of the record are tagged as an exploit or proof of concept: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
- Submit #829402 | NousResearch hermes-agent <= v0.12.0 Authorization Bypass Through User-Controlled Key (CWE-639) (opens in a new tab)third-party-advisoryexploit
- https://gist.github.com/YLChen-007/7951b3dc39193fb675914cc5d8b672fa (opens in a new tab)relatedexploit
- https://gist.github.com/YLChen-007/c2d162e9c8d39584223683cdcba98607 (opens in a new tab)exploit
Timeline
ID reserved
By VulDB
Published
- 2 days later
· 2 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low2.1 | 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 (exploitation in 30 days)
- 0.22% · top 87% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected 0.1
- affected 0.2
- affected 0.3
- affected 0.4
- affected 0.5
- affected 0.6
- affected 0.7
- affected 0.8
- affected 0.9
- affected 0.10
- affected 0.11
- affected 0.12.0
References (6)
- VDB-369081 | NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-369081 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-11461 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #829402 | NousResearch hermes-agent <= v0.12.0 Authorization Bypass Through User-Controlled Key (CWE-639) (opens in a new tab)third-party-advisoryexploit
- https://gist.github.com/YLChen-007/7951b3dc39193fb675914cc5d8b672fa (opens in a new tab)relatedexploit
- https://gist.github.com/YLChen-007/c2d162e9c8d39584223683cdcba98607 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-11461)Record last updated .