SolarWinds Serv-U 15.5.1 · Version Status

SolarWinds Serv-U 15.5.1 End of Life Date

SolarWinds Serv-U 15.5.1 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.

⚡ SolarWinds Serv-U 15.5.1 reaches end of life on November 18, 2026. Plan your migration now — 39 days remaining.
📅 Get reminded before SolarWinds Serv-U 15.5.1 reaches EOL on November 18, 2026 — alerts 90, 30 & 7 days out.
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EOL Date
Nov 18, 2026
39 days remaining
Latest Release
15.5.1
Standard release
Release Date
Apr 15, 2025
SolarWinds Serv-U 15.5.1 series
Lifecycle detail

SolarWinds Serv-U 15.5.1 was released on April 15, 2025 and support is scheduled to end on November 18, 2026 — a planned supported lifespan of 1 year and 7 months, shorter than the 2 years median for SolarWinds Serv-U releases. Its most recent patch is 15.5.1, published April 15, 2025.

← SolarWinds Serv-U 15.5 All SolarWinds Serv-U versions SolarWinds Serv-U 15.5.2 →
45 / 100
Medium Risk
EOL Risk Score™  How is this calculated? →
EOL Recency
15/40
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build. Methodology →  ·  View score card →
Recommended upgrade path
SolarWinds Serv-U 2026.3
Latest release: 2026.3 · EOL: Supported
View full SolarWinds Serv-U timeline →
Extended Support
Extended SolarWinds Serv-U 15.5.1 support is available

Commercial vendors offer security patches beyond EOL. Compare your options.

Compare Options →
All SolarWinds Serv-U Versions
VersionLatestEOL DateStatus
12.1.0.8 — Nov 20, 2014 EOL
15.1.6 and earlier 15.1.6 Oct 12, 2022 EOL
15.3.2 and earlier 15.3.2 Feb 5, 2025 EOL
15.4.0 15.4.0 Jul 17, 2025 EOL
15.4.1 15.4.1 Dec 16, 2025 EOL
15.4.2 15.4.2 Jul 15, 2026 EOL
15.5 15.5 Oct 8, 2026 EOL
→ 15.5.1 15.5.1 Nov 18, 2026 Warning

What does SolarWinds Serv-U 15.5.1 end of life mean?

When SolarWinds Serv-U 15.5.1 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.

The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running SolarWinds Serv-U 15.5.1 past its EOL date creates a growing attack surface that a clean scan result does not rule out.

Migrate to SolarWinds Serv-U 2026.3 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does SolarWinds Serv-U 15.5.1 reach end of life?
SolarWinds Serv-U 15.5.1 reached end of life on November 18, 2026. That is 39 days remaining.
Is SolarWinds Serv-U 15.5.1 still supported?
SolarWinds Serv-U 15.5.1 is still supported but approaching end of life on November 18, 2026. Begin planning your migration now.
What should I upgrade to from SolarWinds Serv-U 15.5.1?
The recommended upgrade from SolarWinds Serv-U 15.5.1 is SolarWinds Serv-U 2026.3 — the latest actively supported version. Check the SolarWinds Serv-U full timeline for all supported versions.
What are the security risks of running SolarWinds Serv-U 15.5.1 past EOL?
When SolarWinds Serv-U 15.5.1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL SolarWinds Serv-U should migrate immediately or implement compensating controls.
Data from endoflife.date API · Generated at build time · How we source data →