TI-2026-40399 Aliases CVE-2026-56004 GHSA-f3xh-pcqp-fpcm

obs-service-tar_scm: command injection via mercurial handler

MEDIUM 50CWE-78Published 2026-07-02 · Updated 2026-07-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by attackers able to provide a _service file to execute code as the source service or the local user checking out the malicious services

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00661 51st percentileScored 2026-11-07

Fix Fixed buildservice (openSUSE): 0.12.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
openSUSE	buildservice	before 0.12.4	0.12.4	Patch available	CNA

buildservice VendoropenSUSE Affected before 0.12.4 Fixed in 0.12.4 Patch available CNA

Remediation

Fix · CNA buildservice (openSUSE) Fixed in 0.12.4

Timeline

2026-10-02 Threatist record created from CVE-2026-56004
2026-10-03 Alias added: GHSA-f3xh-pcqp-fpcm
2026-10-07 EPSS moved to the 50th–90th percentile

References

Patch 1

https://github.com/openSUSE/obs-service-tar_scm/pull/552/changes/bcf29d318c671c45fe87dd9f995a4a0c78ecedd7

TI-2020-12851 An issue was discovered in SaltStack Salt through 3002. KEVCVSS 3.1CRITICAL 9.8
TI-2020-10051 rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
TI-2020-09349 An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. KEVCVSS 3.1CRITICAL 9.8
TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2016-03560 Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote… KEVCVSS 3.1CRITICAL 9.8

See all 3294 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences