CVE-2026-46458

Unauthenticated credential disclosure via static XML files

Published Jul 15, 2026 · Updated Jul 15, 2026

Information disclosure in ICU Scandinavia AB Boomerang before 2.4.18.029 allows remote attackers to retrieve plaintext credentials. The webroot serves specific XML credential files as static HTTP resources without authentication, exposing service-account and SMTP secrets. Network access to the Boomerang web service is sufficient to read those credentials, with no reported ability to modify data or interrupt service.

CVSS severity7.1
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in ICU Scandinavia AB Boomerang before 2.4.18.029 allows remote attackers to retrieve plaintext credentials. The webroot serves specific XML credential files as static HTTP resources without authentication, exposing service-account and SMTP secrets. Network access to the Boomerang web service is sufficient to read those credentials, with no reported ability to modify data or interrupt service.

The record

CVE
CVE-2026-46458
Published
Jul 15, 2026
Updated
Jul 15, 2026
Vendor
ICU Scandinavia AB
Product
Boomerang
Classifications
CWE-522, T1552.001
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 15, 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=0 <2.4.18.029

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

ICU Scandinavia AB · Boomerangversion=0 <2.4.18.029

Published CVSS scores

7.1CERT.PLCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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.

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No observations available

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

Weakness, pattern, technique

CWE-522Insufficiently Protected Credentials
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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