Spring Boot vulnerabilities: known CVEs & security history
VMware · Web / Framework · 19 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Spring Boot release lines — 19 in total. A CVE here doesn't mean your version is affected — check Spring Boot's current status and the safe version to run.
Known Spring Boot CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2023-44794 | critical | 9.8 | 1% | 2023 |
| CVE-2023-20873 | critical | 9.8 | 1% | 2023 |
| CVE-2021-26987 | critical | 9.8 | 2% | 2021 |
| CVE-2017-8046 | critical | 9.8 | 73% | 2018 |
| CVE-2026-40976 | critical | 9.1 | 0% | 2026 |
| CVE-2026-22733 | high | 8.2 | 0% | 2026 |
| CVE-2026-22731 | high | 8.2 | 0% | 2026 |
| CVE-2022-27772 | high | 7.8 | 1% | 2022 |
| CVE-2026-40972 | high | 7.5 | 0% | 2026 |
| CVE-2023-20883 | high | 7.5 | 1% | 2023 |
| CVE-2023-22602 | high | 7.5 | 2% | 2023 |
| CVE-2026-40973 | high | 7 | 0% | 2026 |
| CVE-2018-1196 | medium | 5.9 | 1% | 2018 |
| CVE-2023-34055 | medium | 5.3 | 1% | 2023 |
| CVE-2026-40974 | medium | 5 | 0% | 2026 |
| CVE-2026-40971 | medium | 5 | 0% | 2026 |
| CVE-2026-40970 | medium | 5 | 0% | 2026 |
| CVE-2026-40975 | medium | 4.8 | 0% | 2026 |
| CVE-2026-40977 | medium | 4.7 | 0% | 2026 |
Is my Spring Boot version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Spring Boot version → · Monitor Spring Boot for new CVEs →
Spring Boot vulnerabilities — frequently asked
How many known vulnerabilities does Spring Boot have?
IsItPatched tracks 19 CVEs for Spring Boot. 5 are critical-severity and 7 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Spring Boot have any actively-exploited vulnerabilities?
None of Spring Boot's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Spring Boot vulnerability?
Among tracked issues, CVE-2023-44794 (CRITICAL, CVSS 9.8) ranks highest — a Improper access control weakness.
Is Spring Boot safe to use?
It depends on the version. The latest supported Spring Boot release (4.1.0) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Spring Boot security status · Spring Boot end-of-life · actively-exploited CVEs. Always verify against VMware's advisories — see our disclaimer.