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VulnerabilityPublished Updated

CVE-2026-100680: budibase server · Information Exposure

Affects budibase serverSource CVE Database V5

0
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Not known to be exploited · CVSS 8.6 High : upgrade to 3.45.0 soon.

Data as of 8 Nov 2026, 23:24 UTC

CVSS 4.0 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.45.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade server and budibase/budibase to 3.45.0.

Affected software

ProductAffectedFixed in
budibaseserverAffected
  • <3.45.0
Fixed in
  • 3.45.0
GitHubbudibase/budibasepkg:github/budibase/budibaseOther threatsAffected
  • <3.45.0
Fixed in
  • 3.45.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Budibase server to version 3.45.0 or later, where this vulnerability is fixed by disabling external JSON reference resolution in the OpenAPI/Swagger import validator. No other mitigations are specified. Patch status is confirmed by the affected version range indicating the fix in 3.45.0.

Description

Budibase server versions prior to 3.45.0 contain a vulnerability in the OpenAPI/Swagger import validator that allows authenticated builder users to read arbitrary local files. This occurs because external JSON reference resolution is not disabled, enabling attackers to embed file:// references to exfiltrate sensitive information such as environment variables, JWT secrets, API keys, and database credentials.

References

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