CVE-2026-7875: NanoClaw version 1.2.0 and prior contains a host/container filesystem boundary vulnerability in outbound attac

Q: How do I fix CVE-2026-7875?

nanoclaw: upgrade to newer than 1.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-7875 being exploited?

CVE-2026-7875 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-7875 affect?

CVE-2026-7875 affects nanoclaw. Severity is high (CVSS 8.8). NanoClaw version 1.2.0 and prior 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

Routine

HIGH 8.8UPGRADE

CVE-2026-7875 is a high-severity flaw (CVSS 8.8) affecting nanoclaw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NanoClaw version 1.2.0 and prior 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 ca

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-05-06
Last modified	2026-10-26

Publisher (CNA): VulnCheck · Vendor: nanoco

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-06 17:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

nanoco nanoclaw UPGRADE

Affected: <= 1.2.0

Fixed in: newer than 1.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nanoclaw || rpm -q nanoclaw || nanoclaw --version

2. UPGRADE to newer than 1.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nanoclaw

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nanoclaw

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-7875?

nanoclaw: upgrade to newer than 1.2.0. Exact commands for each OS are on this page.

Is CVE-2026-7875 being exploited?

CVE-2026-7875 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-7875 affect?

CVE-2026-7875 affects nanoclaw. Severity is high (CVSS 8.8). NanoClaw version 1.2.0 and prior 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

How urgent is CVE-2026-7875?

Priority 32/100. High severity

References

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