CVE-2026-47627: NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path traversal

Q: How do I fix CVE-2026-47627?

triton inference server: upgrade to newer than 26.05. Exact commands for each OS are on this page.

Q: Is CVE-2026-47627 being exploited?

CVE-2026-47627 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-2026-47627 affect?

CVE-2026-47627 affects triton inference server. Severity is critical (CVSS 9.8). NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path traversal. A successful exploit might lead to denial of service.

Q: How urgent is CVE-2026-47627?

Priority 61/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2026-47627 is a critical-severity flaw (CVSS 9.8) affecting triton inference server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path traversal. A successful exploit might lead to denial of service.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): NVIDIA Corporation · Vendor: nvidia

Am I affected?

Timeline

2026-08-18Published CVE record published
2026-10-22 22:10 UTCUpdated Record last modified

nvidia triton inference server UPGRADE

Affected: <= 26.05

Fixed in: newer than 26.05

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy triton-inference-server || rpm -q triton-inference-server || triton-inference-server --version

2. UPGRADE to newer than 26.05 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade triton-inference-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade triton-inference-server

Note

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

Exact fixes by distribution

Fedora 46 · python-streamlink · FIXED · 8.6.2-1.fc46 · FEDORA-2026-a56fcfdc08 · source

sudo dnf upgrade --advisory=FEDORA-2026-a56fcfdc08

Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source

sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: AneKazek/cve-2026-47627 (3 stars)

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-2026-47627?

triton inference server: upgrade to newer than 26.05. Exact commands for each OS are on this page.

Is CVE-2026-47627 being exploited?

CVE-2026-47627 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-2026-47627 affect?

CVE-2026-47627 affects triton inference server. Severity is critical (CVSS 9.8). NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause path traversal. A successful exploit might lead to denial of service.

How urgent is CVE-2026-47627?

Priority 61/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

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References

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