Dashboard / CVE-2026-71963

CVE-2026-71963

HIGH 1 PoC
MEDIUM Priority: 0.07 BB Relevance: 77/100
Published: 2026-09-03 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Active
AT: None
VC: High
VI: High
VA: High

Description

Hermes Agent 0.18.2 through 0.21.0, fixed in commit f6234d0, contains a remote code execution vulnerability that allows attackers to execute arbitrary OS commands by supplying a malicious repository with a crafted .git/config that sets core.fsmonitor to an attacker-controlled command. When a user opens the malicious repository and sends any message, the agent triggers a git status index refresh which executes the injected command in the user's process context, exposing the full environment including configured provider API keys.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
NousResearch hermes-agent 0.18.2

References & Advisories (4)

Proof of Concept (1)

—
https://github.com/Boreas37/CVE-2026-71963-PoC
nomi-sec

Bug Bounty Relevance

77 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ PoC available (1)

CVSS Score

8.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.86%
Raw Score 0.008580
Percentile 59.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00858
2026-11-12
0.00858
2026-11-10
0.00858
2026-11-09
0.00858
2026-11-08
0.00858

Intelligence Sources

mitre ref →

External Links