CVE.org (no NVD analysis yet)· CNA synology

CVE-2026-76954: An improper neutralization of special elements used in an SQL command vulnerability in the Auth API in Synology DiskStation Manager (DSM)…

CriticalCVSS 9.8 · v3.1—Proof of concept Fix available

Noroxi assessment

Priority: Monitor (action score 39/100)

Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
Fixed version: Synology DiskStation Manager (DSM) 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5.

Low priority for now. Upgrade to Synology DiskStation Manager (DSM) 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org

An improper neutralization of special elements used in an SQL command vulnerability in the Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5, and 7.4.1-90080-1 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.

Published: Nov 12, 2026
Updated: Nov 12, 2026
EPSS: —
CWE: CWE-89

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 39 / 40 · 9.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · —

CNA vs NVD score

NVD: 9.8
CNA · synology: 9.8; agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
Proof of concept exists, no weaponized module
A fix has been released

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Noroxi analysis

What does it mean in your environment?

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Affected systems

Is your version affected?

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Versions reported by the vendor

Affected version ranges reported by the assigning authority (synology). Independent of NVD's CPE analysis and usually ahead of it.

Synology DiskStation Manager (DSM)
- 7.4.1 and later · before 7.4.1-90080-1affected · semver
- 7.3.2 and later · before 7.3.2-86009-5affected · semver
- 7.2.2 and later · before 7.2.2-72806-10affected · semver
- 7.2.1 and later · before 7.2.1-69057-13affected · semver
- before 7.2.1unknown · semver

Same product

synology: all records

Other highest-scoring records for the same primary product.

CVE-2026-13684An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12…
39Monitor
CVE-2026-13639An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9…
39Monitor
CVE-2026-74857A missing critical step in authentication vulnerability in the Auth API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and…
35Monitor

Published before and after this one in the same product

← EarlierCVE-2026-74850Nov 12, 2026 · An improper limitation of a pathname to a restricted directory vulnerability in the contentextract in Synology DiskStation Manager (DSM)…
17Monitor
← EarlierCVE-2026-75785Nov 12, 2026 · An improper neutralization of special elements used in an OS command vulnerability in the VPN API in Synology DiskStation Manager (DSM)…
28Monitor
Later →CVE-2026-77738Nov 12, 2026 · A server-side request forgery vulnerability in the Credential API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and…
17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
Synology DiskStation Manager (DSM)	7.2.1-69057-13	Vendor (CNA)
Synology DiskStation Manager (DSM)	7.2.2-72806-10	Vendor (CNA)
Synology DiskStation Manager (DSM)	7.3.2-86009-5	Vendor (CNA)
Synology DiskStation Manager (DSM)	7.4.1-90080-1	Vendor (CNA)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Proof-of-concept repository on GitHub	stars:0	2026-11-12

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

First PoCNov 12, 2026same day
PublishedNov 12, 2026
Fix recordedNov 12, 2026same day
TodayNov 12, 2026+1 d

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Nguyễn Bá Nam Dũng (@greengrass19000) and Hà Thế Long (LongHT)Viettel Cyber Security Research Lab (@vcslab)finder

Not on record for this CVE: EPSS history · patch commit or PR link · variant or chain candidate · public bounty program.

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

The query text is built by concatenating user input. The database cannot tell where the data ends and the command begins.

The bug in code

The whole CWE-89 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const owner = req.query.owner;
2const rows = await db.query(
3  "SELECT * FROM files WHERE owner = '" + owner + "'"
4);

Fixed

1const owner = req.query.owner;
2const rows = await db.query(
3  "SELECT * FROM files WHERE owner = $1",
4  [owner]
5);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

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Change log (2)

Exploit maturity— → pocNov 12, 2026, 5:07 AM UTC
Fix✗ → ✓Nov 12, 2026, 5:07 AM UTC

For records you follow, these changes also arrive as notifications. →

References

www.synology.com/en-global/security/advisory/Synology_SA_26_19

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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