[NEW] [medium] Budibase: Vulnerability enables file manipulation

mediumCVE-2026-72859

A remote, authenticated attacker can exploit a vulnerability in Budibase to manipulate files.

CSIRTS triage

vendor: Budibase product: Budibase Path traversal

What: A vulnerability in Budibase enables authenticated file manipulation.
Who is affected: Budibase deployments with untrusted users or compromised credentials are at risk.
Urgency: Medium severity; impact depends on file system permissions and data sensitivity.
Action: Update Budibase to a patched version addressing CVE-2026-72859.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-08-17
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2861

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-728590.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-72859	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-72859: Budibase versions 3.39.4 before 3.40.0 contain an authorization regression in the S3 attachmen…nvd

Recent advisories for Budibase

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[NEW] [high] Budibase: Multiple vulnerabilitiescert-bund · 2026-08-18
high[NEW] [high] Budibase: Multiple vulnerabilitiescert-bund · 2026-08-18
high[UPDATE] [high] Budibase: Vulnerability enables SQL injection and code executioncert-bund · 2026-08-18
highCVE-2026-73410: Budibase is an open-source low-code platform. Prior to 3.40.0, packages/backend-core/src/utils…nvd · 2026-08-17
highCVE-2026-64657: Budibase is an open-source low-code platform. Prior to 3.39.19, the PostgreSQL datasource conn…nvd · 2026-08-17
highCVE-2026-54356: Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasour…nvd · 2026-08-17