CVE-2026-76954
CVE-2026-76954 is covered by the Synology-SA-26:19 security bulletin. Not in the CISA KEV catalog. Critical advisory severity. 1 advisory from Synology.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2026-76954 key facts
- CISA KEV
- Not listed (catalog checked )
- Highest advisory severity
- Critical
- Vendor advisories
- 1 from Synology
- VulniPulse record
- Published
Is CVE-2026-76954 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-76954 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-76954?
This CVE is tracked through a multi-CVE bulletin, so its fixed releases may differ from the bulletin-wide values below. Check the vendor source.
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Vendor advisory comparison
Synology
1 advisory- Advisory severityCritical9.8
Critical [CVE-2026-76954 +1] Synology-SA-26:19 DSM
Synology-SA-26:19Source published
This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Synology has released a security update for the DSM to address multiple vulnerabilities: CVE-2026-76954 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks. Affected products named by the advisory: DSM 7.4; DSM 7.3; DSM 7.2.2; DSM 7.2.1.
- Affected products in this advisory
- DSM 7.4
- DSM 7.3
- DSM 7.2.2
- DSM 7.2.1
- Source-reported affected versions
- DSM 7.4 before 7.4.1-90080-1
- DSM 7.3 before 7.3.2-86009-5
- DSM 7.2.2 before 7.2.2-72806-10
- DSM 7.2.1 before 7.2.1-69057-13
- Source-reported fixed versions
- 7.4.1-90080-1
- 7.3.2-86009-5
- 7.2.2-72806-10
- 7.2.1-69057-13
- Mitigation guidance
- Upgrade the affected Synology product to a fixed release: 7.4.1-90080-1, 7.3.2-86009-5, 7.2.2-72806-10, 7.2.1-69057-13.
More Synology advisories
- CVE-2026-13623Sep 18, 2026DSM 7.4 cross-site scripting (XSS)
- CVE-2026-4036Sep 18, 2026DSM 7.3 HTTP response splitting
- CVE-2026-124993Nov 10, 2026Synology-SA-26:18 DSM
- CVE-2025-13392May 27, 2026DSM 7.3 authentication bypass
- CVE-2026-96652Nov 8, 2026Synology-SA-26:17 Plex Media Server (Plex2Shell)
- CVE-2026-111497Oct 29, 2026Synology-SA-26:15 Node2Shell
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