CVE-2026-21710: Node.js Vulnerability in NetApp Products
CVE-2026-21710 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- High
- CVSS base score
- 7.5 (NetApp), 7.5 (Red Hat)
- Weakness
- CWE-843
- Fixed releases
- Red Hat: RHSA-2026:7350
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-21710; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-21710?
Upgrade to a fixed release named by the vendor:
- Red Hat: RHSA-2026:7350
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7350 (`sudo dnf update` / `yum update`). (Red Hat)
Vendor advisories for CVE-2026-21710
NetApp
1 advisory- Advisory severityHigh7.5
High [CVE-2026-21710] Node.js Vulnerability in NetApp Products
NTAP-20260410-0013Source published Source updated
Multiple NetApp products incorporate Node.js. All Node.js HTTP servers on 20.x, 22.x, 24.x, and 25.x are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-21710] Denial of Service due to crafted HTTP `__proto__` header
CVE-2026-21710Source published
Denial of Service due to crafted HTTP `__proto__` header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-843. Affected package(s): nodejs:20, nodejs:22, nodejs22, nodejs24, nodejs:24. Resolved in Red Hat advisory RHSA-2026:7350 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9.4 Extended Update Support
- Red Hat Enterprise Linux 9.6 Extended Update Support
- Source-reported affected versions
- nodejs:20-9070020260409073121.rhel9
- nodejs:22-9060020260409121057.rhel9
- nodejs:20-8100020260414073138.489197e6
- nodejs:22-9070020260401095228.rhel9
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:7350
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7350 (`sudo dnf update` / `yum update`).
References
More NetApp advisories
CVE-2026-114583Nov 6, 2026CPython Vulnerability in NetApp ProductsCVE-2026-72493Nov 6, 2026Linux Kernel Vulnerability in NetApp ProductsCVE-2026-101308Nov 6, 2026FreeBSD Vulnerability in NetApp ProductsCVE-2026-111943Nov 6, 2026Golang Vulnerability in NetApp ProductsCVE-2026-101307Nov 6, 2026FreeBSD Vulnerability in NetApp ProductsCVE-2026-100075Nov 6, 2026Linux Kernel Vulnerability in NetApp Products
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