Cyber Resilience

CVE-2026-48242

CriticalPublic PoC

Published: 21 May 2026

Published
21 May 2026
Modified
21 May 2026
KEV Added
Patch
CVSS Score v4 9.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0030 21.4th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-48242 is a critical-severity Use of Hard-coded Credentials (CWE-798) vulnerability. Its CVSS base score is 9.2 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Credentials In Files (T1552.001); ranked at the 21.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Open ISES Tickets before 3.44.2 contains hardcoded MySQL database connection credentials (host, username, password, database name) in import_mdb.php. The credentials are embedded in source code committed to the public repository, allowing any reader of the source to obtain valid configuration…

more

values that may match deployed installations.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1552.001 Credentials In Files Credential Access
Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.
Why these techniques?

Hardcoded DB credentials committed to public source directly enable discovery of unsecured credentials in files (T1552.001).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-55263Shared CWE-798
CVE-2026-24840Shared CWE-798
CVE-2026-40636Shared CWE-798
CVE-2025-40537Shared CWE-798
CVE-2026-26334Shared CWE-798
CVE-2026-1233Shared CWE-798
CVE-2026-48241Shared CWE-798
CVE-2024-36556Shared CWE-798
CVE-2025-14115Shared CWE-798
CVE-2024-55027Shared CWE-798

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-798

Enables users to notice when hard-coded credentials have been exploited for unauthorized access.

addresses: CWE-798

Security training explicitly warns against hard-coded credentials, lowering their use in systems.

addresses: CWE-798

Policy and procedures prohibit hard-coded credentials in favor of managed authentication.

addresses: CWE-798

External identity providers eliminate the need for hard-coded credentials in applications.

addresses: CWE-798

Changing default authenticators prior to first use and protecting content prevents use of hard-coded credentials.

addresses: CWE-798

Central credential stores and rotation policies remove the need for hard-coded credentials in configuration files or code.

addresses: CWE-798

Intelligence programs surface reports of campaigns that abuse hard-coded credentials in products, prompting removal or replacement and thereby reducing successful exploitation.

addresses: CWE-798

Planned investment enables secure credential storage and management systems instead of hard-coded credentials.

References