CVE-2026-7875

NanoClaw Host/Container Filesystem Boundary Vulnerability via Outbound Attachment Handling

HIGH
8.8
CVSS Score
Published: May 6, 2026 at 04:10 PM UTC
Updated: October 26, 2026 at 07:10 PM UTC
2 products affected across 2 vendorsNanoclawNanoClaw

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Severity
HIGH8.8
Exploit prediction
EPSS 0.1%
SSVC
PoC

Description

NanoClaw contains a host/container filesystem boundary vulnerability in outbound attachment handling and outbox cleanup that allows a compromised or prompt-injected container to read files outside the intended outbox directory by supplying crafted messages_out.id and content.files values or creating symlinked outbox files. Attackers can exploit this vulnerability to trigger host-side reads of arbitrary files and in some cases achieve recursive deletion of paths outside the intended cleanup target.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.2.0
v ≤ 1.2.0
Vendor states this is fixed in 7814e45570edf0024a1a5c2ba9fbc9cb3a49f7f7 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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