Bamboo vulnerabilities: known CVEs & security history
Atlassian · Dev / CI · 28 tracked CVEs · 1 actively exploited · updated November 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Bamboo release lines — 28 in total, with 1 actively exploited in the wild. A CVE here doesn't mean your version is affected — check Bamboo's current status and the safe version to run.
Known Bamboo CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-21589⚡ exploited | high | 7.5 | 99% | 2026 |
| CVE-2022-26136 | critical | 9.8 | 4% | 2022 |
| CVE-2016-5229 | critical | 9.8 | 7% | 2016 |
| CVE-2015-8360 | critical | 9.8 | 3% | 2016 |
| CVE-2014-9757 | critical | 9.8 | 2% | 2016 |
| CVE-2017-14589 | critical | 9.6 | 2% | 2017 |
| CVE-2017-14590 | critical | 9.1 | 2% | 2017 |
| CVE-2015-8361 | critical | 9.1 | 3% | 2016 |
| CVE-2012-2926 | critical | 9.1 | 67% | 2012 |
| CVE-2026-21571 | high | 8.8 | 1% | 2026 |
| CVE-2026-21570 | high | 8.8 | 1% | 2026 |
| CVE-2023-22516 | high | 8.8 | 1% | 2023 |
| CVE-2022-26137 | high | 8.8 | 2% | 2022 |
| CVE-2018-5224 | high | 8.8 | 3% | 2018 |
| CVE-2017-18080 | high | 8.8 | 1% | 2018 |
| CVE-2017-18042 | high | 8.8 | 1% | 2018 |
| CVE-2017-9514 | high | 8.8 | 1% | 2017 |
| CVE-2015-6576 | high | 8.8 | 4% | 2017 |
| CVE-2017-8907 | high | 8.8 | 2% | 2017 |
| CVE-2026-21584 | high | 8.1 | 0% | 2026 |
| CVE-2024-21687 | high | 8.1 | 1% | 2024 |
| CVE-2024-21689 | high | 8 | 3% | 2024 |
| CVE-2017-18081 | medium | 6.1 | 1% | 2018 |
| CVE-2017-18082 | medium | 5.4 | 1% | 2018 |
| CVE-2017-18041 | medium | 5.4 | 1% | 2018 |
| CVE-2017-18040 | medium | 5.4 | 1% | 2018 |
| CVE-2021-26067 | medium | 5.3 | 1% | 2021 |
| CVE-2019-15005 | medium | 4.3 | 1% | 2019 |
Is my Bamboo 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 Bamboo version → · Monitor Bamboo for new CVEs →
Bamboo vulnerabilities — frequently asked
How many known vulnerabilities does Bamboo have?
IsItPatched tracks 28 CVEs for Bamboo, 1 of which is actively exploited (CISA KEV). 8 are critical-severity and 14 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Bamboo have any actively-exploited vulnerabilities?
Yes — 1 Bamboo CVE is in CISA's Known Exploited Vulnerabilities catalog, meaning it is confirmed exploited in the wild. Patch it as a priority.
What is the most severe Bamboo vulnerability?
Among tracked issues, CVE-2026-21589 (HIGH, CVSS 7.5), which is actively exploited, ranks highest — a CWE-552 weakness.
Is Bamboo safe to use?
It depends on the version. The latest supported Bamboo release (12.1.12) 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: Bamboo security status · Bamboo end-of-life · actively-exploited CVEs. Always verify against Atlassian's advisories — see our disclaimer.