CVE-2026-11419: A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to im

Q: How do I fix CVE-2026-11419?

on-prem enterprise server: upgrade to 8.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-11419 being exploited?

CVE-2026-11419 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-2026-11419 affect?

CVE-2026-11419 affects on-prem enterprise server. Severity is high (CVSS 8.8). A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to improper validation of a user-controlled path component in image upload requests. An authenticated user can supply a crafted absolut

This month

HIGH 8.8UPGRADE

CVE-2026-11419 is a high-severity flaw (CVSS 8.8) affecting on-prem enterprise server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to improper validation of a user-controlled path component in image upload requests. An authenticated user can supply a crafted absolute path so that the configured storage root is discarded, allowing arbitrary files to be written to any location on the server filesystem writable by the service account. Because content-controlled files can

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-22, CWE-434
Published	2026-06-05
Last modified	2026-07-23

Publisher (CNA): Altium · Vendor: altium

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-05 20:17 UTCPublished CVE record published
2026-07-23 07:10 UTCUpdated Record last modified

altium on-prem enterprise server UPGRADE

Affected: < 8.1.1

Fixed in: 8.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy on-prem-enterprise-server || rpm -q on-prem-enterprise-server || on-prem-enterprise-server --version

2. UPGRADE to 8.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade on-prem-enterprise-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade on-prem-enterprise-server

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-2026-11419?

on-prem enterprise server: upgrade to 8.1.1. Exact commands for each OS are on this page.

Is CVE-2026-11419 being exploited?

CVE-2026-11419 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-2026-11419 affect?

CVE-2026-11419 affects on-prem enterprise server. Severity is high (CVSS 8.8). A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to improper validation of a user-controlled path component in image upload requests. An authenticated user can supply a crafted absolut

How urgent is CVE-2026-11419?

Priority 42/100. High severity

Software pages

HashiCorp Vault vulnerabilities

Related CVEs

CVE-2026-11414 CRITICAL 9.8 UPGRADE A hard-coded cryptographic key is used by Altium Enterprise Server to sign file download URLs in the Vault ser
CVE-2026-11420 CRITICAL 9.8 UPGRADE Two path traversal vulnerabilities in the Network Installation Service (NIS) of Altium Enterprise Server allow

References

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