Security readout for executives and security teams
Plain-English summary
CVE-2026-59726 is a critical issue in Ruflo before 3.16.3. The default docker-compose deployment exposed MCP bridge endpoints without authentication. A network attacker could run terminal actions inside the bridge container, access provider API keys, and alter AgentDB learning-store patterns. This is fixed in Ruflo 3.16.3.
Executive priority
Treat as an immediate remediation item for any exposed Ruflo deployment. The business risk is secret theft, attacker command execution inside the bridge container, and manipulation of agent behavior. Prioritize upgrade and exposure reduction before broader hardening.
Technical view
Ruflo versions before 3.16.3 expose POST /mcp and POST /mcp/:group unauthenticated in the default docker-compose MCP bridge. The advisory describes unauthenticated tool invocation leading to terminal_execute, container shell access, credential exposure, and AgentDB poisoning. CVSS 3.1 is 10.0 with network, low-complexity, no-privilege, no-user-interaction characteristics.
Likely exposure
Highest concern is Ruflo deployments using the default docker-compose MCP bridge and reachable over an untrusted network. Exposure depends on whether the MCP bridge endpoints are network-accessible and whether versions are below 3.16.3.
Exploitation context
The CVE record and GitHub advisory describe unauthenticated remote code execution potential. The provided data does not show CISA KEV listing or confirmed active exploitation. The issue is still urgent because no credentials or user interaction are required when the vulnerable service is exposed.
Researcher notes
Evidence comes from the CVE record and Ruflo GitHub advisory, PR, commit, and v3.16.3 release. The sources name the affected product and fixed version, but do not provide independent exploitation telemetry. Avoid assuming impact beyond the MCP bridge container and described credential or AgentDB effects.
Mitigation direction
- Upgrade Ruflo to version 3.16.3 or later.
- Restrict network access to MCP bridge endpoints.
- Remove public exposure of default docker-compose MCP bridge deployments.
- Rotate provider API keys if exposure is suspected.
- Review vendor advisory and release notes for configuration guidance.
Validation and detection
- Inventory Ruflo deployments and identify versions below 3.16.3.
- Check whether /mcp or /mcp/:group are reachable from untrusted networks.
- Review docker-compose deployments for default MCP bridge exposure.
- Inspect logs for unexpected MCP tool calls or terminal activity.
- Check AgentDB learning-store patterns for unauthorized changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-942: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-59726 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96GitHub_MVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ruvnet/ruflo/security/advisories/GHSA-c4hm-4h84-2cf3CVE reference, GitHub_M · x_refsource_CONFIRM
- https://github.com/ruvnet/ruflo/pull/2521CVE reference, GitHub_M · x_refsource_MISC
- https://github.com/ruvnet/ruflo/commit/d00a0a40cd8bdbca877ac7f675f416bdc69accd1CVE reference, GitHub_M · x_refsource_MISC
- https://github.com/ruvnet/ruflo/releases/tag/v3.16.3CVE reference, GitHub_M · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.