CVE-2025-10466: Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Acc

Q: How do I fix CVE-2025-10466?

safe access: upgrade to 1.3.1-0329. Exact commands for each OS are on this page.

Q: Is CVE-2025-10466 being exploited?

CVE-2025-10466 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-2025-10466 affect?

CVE-2025-10466 affects safe access. Severity is medium (CVSS 5.9). Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write spe

Q: How urgent is CVE-2025-10466?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 5.9UPGRADE

CVE-2025-10466 is a medium-severity flaw (CVSS 5.9) affecting safe access. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write specific files containing non-sensitive information or conduct limited denial-of-service in SRM.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-05-27
Last modified	2026-10-07

Publisher (CNA): Synology Inc. · Vendor: synology

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-27 09:16 UTCPublished CVE record published
2026-10-07 08:10 UTCUpdated Record last modified

synology safe access UPGRADE

Affected: < 1.3.1-0329

Fixed in: 1.3.1-0329

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy safe-access || rpm -q safe-access || safe-access --version

2. UPGRADE to 1.3.1-0329 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade safe-access

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade safe-access

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-2025-10466?

safe access: upgrade to 1.3.1-0329. Exact commands for each OS are on this page.

Is CVE-2025-10466 being exploited?

CVE-2025-10466 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-2025-10466 affect?

CVE-2025-10466 affects safe access. Severity is medium (CVSS 5.9). Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write spe

How urgent is CVE-2025-10466?

Priority 26/100. No elevated risk signals yet.

Software pages

Synology vulnerabilities

References

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