Cyber Resilience

CVE-2026-5663

Command Injection in Offis Dcmtk ≤ 3.7.0

Command Injection
Published
06 April 2026
Modified
27 April 2026
Patch / advisory
View advisory
CVSS Score v4 6.9
Click a component to see what it means
Raw vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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 0.017 75th percentile
Risk Priority 45 floored blend · peak EPSS

Summary

CVE-2026-5663 is a medium-severity Command Injection (CWE-77) vulnerability in Offis Dcmtk. Its CVSS base score is 6.9 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 25% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

A security flaw has been discovered in OFFIS DCMTK up to version 3.7.0, specifically in the executeOnReception and executeOnEndOfStudy functions within dcmnet/apps/storescp.cc of the storescp component. The issue stems from improper handling of input that permits OS command injection, tracked under CWE-77 and CWE-78. The vulnerability received a CVSS 4.0 score of 6.9 with a network attack vector, low complexity, and no required privileges or user interaction.

Remote attackers can exploit the flaw to inject and execute arbitrary operating system commands against affected storescp instances. Successful exploitation grants limited impacts to confidentiality, integrity, and availability on the target system without authentication.

The recommended mitigation is to apply the patch identified by commit edbb085e45788dccaf0e64d71534cfca925784b8, available in the DCMTK repository and referenced in the project's issue tracker. No other workarounds are specified in the available advisories.

EPSS for this CVE rose from a low baseline to a peak of 0.0176 on 2026-04-12 before receding to the current value of 0.0039, indicating a temporary increase in observed exploitation interest after disclosure.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability Data

A security flaw has been discovered in OFFIS DCMTK up to 3.7.0. This impacts the function executeOnReception/executeOnEndOfStudy of the file dcmnet/apps/storescp.cc of the component storescp. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible.…

more

The patch is named edbb085e45788dccaf0e64d71534cfca925784b8. Applying a patch is the recommended action to fix this issue.

CWE(s)
CWE-77CWE-78

Related Threats

MITRE ATT&CK Enterprise Techniques

T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
T1059.003 Windows Command Shell Execution
Adversaries may abuse the Windows command shell for execution.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.001 PowerShell Execution
Adversaries may abuse PowerShell commands and scripts for execution.
attack.mitre.org →
T1059.008 Network Device CLI Execution
Adversaries may abuse scripting or built-in command line interpreters (CLI) on network devices to execute malicious command and payloads.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-12814Shared CWE-77, CWE-78
CVE-2026-2188Shared CWE-77, CWE-78
CVE-2025-10774Shared CWE-77, CWE-78
CVE-2025-15254Shared CWE-77, CWE-78
CVE-2026-1544Shared CWE-77, CWE-78
CVE-2026-8112Shared CWE-77, CWE-78
CVE-2026-15547Shared CWE-77, CWE-78
CVE-2026-5995Shared CWE-77, CWE-78
CVE-2026-10872Shared CWE-77, CWE-78
CVE-2026-6028Shared CWE-77, CWE-78

Affected Assets

offis
dcmtk
≤ 3.7.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.2.3
  • V1.2.5
  • V1.2.8
  • V1.2.9

Mitigating Controls (NIST 800-53 r5) AI

SA-11 Developer Testing and Evaluation good match

Developer testing and evaluation can discover command-construction flaws before deployment.

SI-10 Information Input Validation good match

Input validation directly stops construction of commands from untrusted data containing special elements.

AC-6 Least Privilege partial match

Least privilege reduces the permissions available to any process that could be subverted by injected commands.

CM-7 Least Functionality partial match

Least functionality restricts available OS commands and interpreters, limiting the blast radius of injection.

SA-8 Security and Privacy Engineering Principles partial match

Secure engineering principles include proper neutralization and safe command construction practices.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require input validation and neutralization that prevent command injection.

DE.CM-09 partial match
prevents

Runtime monitoring of software and data can detect anomalous command execution resulting from injection.

ID.RA-01 partial match
prevents

Identifying recorded vulnerabilities enables remediation of command-injection flaws before exploitation.

PR.PS-02 partial match
prevents

Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.28 Secure coding mostly match
prevents

Secure coding standards require proper escaping and parameterization of commands, directly eliminating CWE-77.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development catches command-injection vulnerabilities before release.

A.8.25 Secure development life cycle partial match
prevents

Secure development life cycle mandates input validation and command construction practices that directly prevent command injection.

A.8.26 Application security requirements partial match
prevents

Application security requirements explicitly call for controls against injection flaws including command injection.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles reduce the attack surface but do not prescribe the specific neutralization techniques needed.

A.8.31 Separation of development, test and production environments none match
none

Environment separation limits the blast radius of an exploited command injection but does not prevent the flaw itself.

References