CVE-2026-35216

CRITICALNVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.0 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 44% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 12%CVSS: 9.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Budibase is an open-source low-code platform. Prior to version 3.33.4, an unauthenticated attacker can achieve Remote Code Execution (RCE) on the Budibase server by triggering an automation that contains a Bash step via the public webhook endpoint. No authentication is required to trigger the exploit. The process executes as root inside the container. This issue has been patched in version 3.33.4.

CVSS v3
9.0
EG Score
9.0(medium)
EPSS
95.7%
KEV
Not listed

Published

April 3, 2026

Last Modified

April 8, 2026

Advisory Details (4)

Auto-updated May 22, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step · Advisory · Budibase/budibase · GitHub

https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf
generic

Release 3.33.4 · Budibase/budibase · GitHub

https://github.com/Budibase/budibase/releases/tag/3.33.4
generic

Fix bash automation command injection by melohagan · Pull Request #18238 · Budibase/budibase · GitHub

https://github.com/Budibase/budibase/pull/18238
generic

Merge pull request #18238 from Budibase/fix/bash-step · Budibase/budibase@f0c731b · GitHub

https://github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@budibase/server—3.33.4—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 33× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
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  10. 2026-07-06 16:27 UTCEPSS rescore
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  1. 2026-06-22 14:25 UTCEPSS rescore
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  3. 2026-06-21 14:56 UTCEPSS rescore
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  5. 2026-06-18 17:52 UTCEPSS rescore
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  9. 2026-06-15 17:49 UTCEPSS rescore
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  14. 2026-06-12 06:08 UTCEG score recompute
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  16. 2026-06-11 21:59 UTCEG score recompute
  17. 2026-06-11 14:00 UTCEPSS rescore
  18. 2026-06-10 22:18 UTCEPSS rescore
  19. 2026-06-10 21:44 UTCEG score recompute
  20. 2026-06-10 17:40 UTCEG score recompute
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  22. 2026-06-10 13:22 UTCEPSS rescore
  23. 2026-06-10 09:25 UTCEG score recompute
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  25. 2026-06-10 01:16 UTCEG score recompute
  26. 2026-06-09 18:32 UTCEG score recompute
  27. 2026-06-09 14:28 UTCEG score recompute
  28. 2026-06-08 14:17 UTCEPSS rescore
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  30. 2026-06-08 11:26 UTCEG score recompute
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  35. 2026-06-07 15:25 UTCEPSS rescore
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  38. 2026-06-07 14:55 UTCEG score recompute
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  40. 2026-06-06 13:47 UTCEPSS rescore
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  66. 2026-05-26 07:18 UTCEPSS rescore
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  68. 2026-05-23 00:08 UTCEG score recompute
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  71. 2026-05-20 19:13 UTCEG score recompute
  72. 2026-05-20 11:22 UTCEPSS rescore
  73. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-35216?
CVE-2026-35216 is a critical vulnerability published on April 3, 2026. Budibase is an open-source low-code platform. Prior to version 3.33.4, an unauthenticated attacker can achieve Remote Code Execution (RCE) on the Budibase server by triggering an automation that contains a Bash step via the public webhook endpoint. No authentication is required to trigger the…
When was CVE-2026-35216 disclosed?
CVE-2026-35216 was first published in the National Vulnerability Database on April 3, 2026, with the most recent update on April 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35216 actively exploited?
CVE-2026-35216 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35216?
CVE-2026-35216 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2026-35216?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35216, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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