CVE-2026-56004

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.7%, top 51% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 10.0Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
10.0
EG Score
10.0(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Sep 5, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

improve option sanitising revision/url

Fix merged in openSUSE/obs-service-tar_scm PR #552 on 2026-07-01 — awaiting tagged release

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

Vendor Advisories for CVE-2026-56004(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 112× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 306 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 14:20 UTCEG score recompute
  6. 2026-09-06 14:20 UTCGHSA enrichment
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-06 04:55 UTCGHSA enrichment
  9. 2026-09-05 23:53 UTCEG score recompute
  10. 2026-09-05 23:53 UTCGHSA enrichment
  11. 2026-09-04 05:07 UTCEPSS rescore
  12. 2026-09-02 14:12 UTCEPSS rescore
  13. 2026-09-01 13:54 UTCEPSS rescore
  14. 2026-09-01 04:40 UTCEPSS rescore
  15. 2026-08-31 01:32 UTCGHSA enrichment
  16. 2026-08-30 21:12 UTCEG score recompute
  17. 2026-08-30 21:12 UTCGHSA enrichment
  18. 2026-08-30 19:17 UTCEPSS rescore
  19. 2026-08-30 16:52 UTCGHSA enrichment
  20. 2026-08-30 11:23 UTCEG score recompute
  21. 2026-08-30 11:23 UTCGHSA enrichment
  22. 2026-08-30 01:22 UTCEPSS rescore
  23. 2026-08-28 21:41 UTCEPSS rescore
  24. 2026-08-28 02:46 UTCGHSA enrichment
  25. 2026-08-27 22:15 UTCEG score recompute
Show 75 more
  1. 2026-08-27 22:15 UTCGHSA enrichment
  2. 2026-08-27 14:25 UTCEPSS rescore
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-25 13:43 UTCGHSA enrichment
  6. 2026-08-25 05:37 UTCGHSA enrichment
  7. 2026-08-25 01:15 UTCGHSA enrichment
  8. 2026-08-24 20:56 UTCGHSA enrichment
  9. 2026-08-24 14:44 UTCEG score recompute
  10. 2026-08-24 14:44 UTCGHSA enrichment
  11. 2026-08-24 10:17 UTCEG score recompute
  12. 2026-08-24 10:17 UTCGHSA enrichment
  13. 2026-08-24 04:09 UTCGHSA enrichment
  14. 2026-08-23 21:29 UTCGHSA enrichment
  15. 2026-08-23 17:09 UTCGHSA enrichment
  16. 2026-08-23 12:49 UTCGHSA enrichment
  17. 2026-08-23 08:29 UTCGHSA enrichment
  18. 2026-08-23 04:09 UTCEG score recompute
  19. 2026-08-23 04:09 UTCGHSA enrichment
  20. 2026-08-23 00:19 UTCEPSS rescore
  21. 2026-08-22 23:49 UTCGHSA enrichment
  22. 2026-08-22 19:29 UTCGHSA enrichment
  23. 2026-08-22 15:09 UTCGHSA enrichment
  24. 2026-08-22 10:48 UTCGHSA enrichment
  25. 2026-08-22 06:28 UTCEG score recompute
  26. 2026-08-22 06:28 UTCGHSA enrichment
  27. 2026-08-21 23:49 UTCEPSS rescore
  28. 2026-08-21 22:55 UTCGHSA enrichment
  29. 2026-08-21 18:35 UTCGHSA enrichment
  30. 2026-08-21 14:10 UTCGHSA enrichment
  31. 2026-08-21 09:13 UTCGHSA enrichment
  32. 2026-08-21 04:53 UTCGHSA enrichment
  33. 2026-08-21 00:32 UTCEG score recompute
  34. 2026-08-21 00:32 UTCGHSA enrichment
  35. 2026-08-20 22:55 UTCEPSS rescore
  36. 2026-08-20 20:12 UTCGHSA enrichment
  37. 2026-08-20 15:52 UTCGHSA enrichment
  38. 2026-08-20 08:24 UTCGHSA enrichment
  39. 2026-08-20 04:04 UTCEG score recompute
  40. 2026-08-20 04:04 UTCGHSA enrichment
  41. 2026-08-19 17:04 UTCEPSS rescore
  42. 2026-08-19 14:41 UTCGHSA enrichment
  43. 2026-08-19 10:18 UTCGHSA enrichment
  44. 2026-08-19 05:38 UTCGHSA enrichment
  45. 2026-08-19 01:16 UTCGHSA enrichment
  46. 2026-08-18 20:55 UTCEG score recompute
  47. 2026-08-18 20:55 UTCGHSA enrichment
  48. 2026-08-18 13:48 UTCEPSS rescore
  49. 2026-08-18 11:48 UTCGHSA enrichment
  50. 2026-08-18 04:30 UTCGHSA enrichment
  51. 2026-08-17 22:51 UTCEG score recompute
  52. 2026-08-17 22:51 UTCGHSA enrichment
  53. 2026-08-17 13:47 UTCEPSS rescore
  54. 2026-08-17 13:04 UTCGHSA enrichment
  55. 2026-08-17 08:44 UTCGHSA enrichment
  56. 2026-08-17 04:24 UTCGHSA enrichment
  57. 2026-08-17 00:04 UTCGHSA enrichment
  58. 2026-08-16 19:44 UTCEG score recompute
  59. 2026-08-16 19:44 UTCGHSA enrichment
  60. 2026-08-16 14:56 UTCEPSS rescore
  61. 2026-08-16 14:18 UTCGHSA enrichment
  62. 2026-08-16 09:57 UTCGHSA enrichment
  63. 2026-08-16 05:37 UTCEG score recompute
  64. 2026-08-16 05:37 UTCGHSA enrichment
  65. 2026-08-16 02:14 UTCEPSS rescore
  66. 2026-08-16 01:18 UTCGHSA enrichment
  67. 2026-08-15 20:58 UTCGHSA enrichment
  68. 2026-08-15 16:38 UTCGHSA enrichment
  69. 2026-08-15 12:18 UTCGHSA enrichment
  70. 2026-08-15 07:58 UTCGHSA enrichment
  71. 2026-08-15 02:57 UTCEG score recompute
  72. 2026-08-15 02:57 UTCGHSA enrichment
  73. 2026-08-15 01:30 UTCEPSS rescore
  74. 2026-08-14 22:36 UTCGHSA enrichment
  75. 2026-08-14 18:16 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-56004?
CVE-2026-56004 is a critical vulnerability published on July 2, 2026. A shellcode injection in the mercurial handler of the obs tarscm 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
When was CVE-2026-56004 disclosed?
CVE-2026-56004 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56004 actively exploited?
CVE-2026-56004 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.4% of all scored CVEs.
What is the CVSS score of CVE-2026-56004?
CVE-2026-56004 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-56004?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56004, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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