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CVE-2026-56004: opensuse buildservice OS Command Injection

CVSS: 10.0v3.1CriticalAwaiting analysis
AliasesopenSUSE-SU-2026:11189-1
Published 02-07-2026Last modified 02-07-2026

Vulnerability summary

CVE-2026-56004 is a critical (CVSS 10.0) OS Command Injection vulnerability in opensuse buildservice. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-07-2026
    PublishedVulnerability first disclosed.
  2. 02-07-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.66% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Opensuse2 products
  • buildservice< 0.12.4
  • obs-service-tar_scm&distro=openSUSE Tumbleweed< 0.12.4-1.1

1 vendor · 2 products

References

2 links