CVE-2026-25043Public exploitNetwork attack vector

Inbox denial of service via unthrottled password resets

Published Apr 3, 2026 · Updated Apr 3, 2026

Resource-exhaustion abuse in Budibase before 3.23.25 allows remote attackers to flood user inboxes through password-reset requests. The unauthenticated PUT /api/v2/auth/password handler invokes authSdk.reset for every submitted email without per-address or per-IP throttling, causing each repeated request to send another reset message. Any network-reachable instance with password-reset email enabled is exposed, and sustained automation can interrupt inbox use and consume transactional email capacity.

CVSS severity5.3
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource-exhaustion abuse in Budibase before 3.23.25 allows remote attackers to flood user inboxes through password-reset requests. The unauthenticated PUT /api/v2/auth/password handler invokes authSdk.reset for every submitted email without per-address or per-IP throttling, causing each repeated request to send another reset message. Any network-reachable instance with password-reset email enabled is exposed, and sustained automation can interrupt inbox use and consume transactional email capacity.

The record

CVE
CVE-2026-25043
Published
Apr 3, 2026
Updated
Apr 3, 2026
Vendor
Budibase
Product
Budibase
Classifications
CWE-770, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 3.23.25

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Budibase · Budibaseversion=< 3.23.25

Published CVSS scores

5.3GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499.003Application Exhaustion Flood

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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