CVE-2026-90770

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-13. The CNA's CVSS baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.3%CVSS: 8.8Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Spug through 3.4.0 contains a remote code execution vulnerability in the ping_check function that interpolates user-supplied monitor addresses directly into shell commands without validation. Authenticated users with monitor permissions can inject shell metacharacters via the /monitor/run_test/ endpoint to execute arbitrary commands as the Spug process user.

CVSS v3
8.8
EG Score
8.8HIGHhigh confidence
EG Risk
40
EG Risk 40/100CISA SSVC

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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
1.3%
EPSS %ILE
69th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 13, 2026

Last Modified

September 24, 2026

Advisory Details (6)

Auto-updated Sep 13, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

Spug through 3.4.0 Remote Code Execution via ping_check | Advisories | VulnCheck

https://www.vulncheck.com/advisories/spug-through-3.4.0-remote-code-execution-via-ping-check
github_commit

commit 97aebf133e1f (openspug/spug)

Fix landed in openspug/spug commit 97aebf133e1f — awaiting tagged release

https://github.com/openspug/spug/commit/97aebf133e1f9cbb35ccebadab1faedfdfe93f42
generic

spug/spug_api/apps/monitor/views.py at v3.4.0 · openspug/spug · GitHub

https://github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/views.py
generic

spug/spug_api/apps/monitor/executors.py at v3.4.0 · openspug/spug · GitHub

https://github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/executors.py
generic

GitHub - openspug/spug: Spug is a lightweight agent-free automatic operation and maintenance platform designed for small and medium-sized enterprises. It integrates host management, host batch execution, host online terminal, file management, application release and deployment, pipelines, online task planning, configuration center, monitoring, alarm and so on. · GitHub

https://github.com/openspug/spug
generic🟡 PoC Available

Bug: OS Command Injection in Monitor `ping_check` Function Allows Authenticated RCE on Spug Server · Issue #741 · openspug/spug · GitHub

https://github.com/openspug/spug/issues/741

Vendor Advisories for CVE-2026-90770(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 24× in last 7d / 85× 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.

  1. 2026-10-05 01:38 UTCEG score recompute
  2. 2026-10-05 01:38 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 12:47 UTCGHSA enrichment
  5. 2026-10-03 23:55 UTCEG score recompute
  6. 2026-10-03 23:55 UTCGHSA enrichment
  7. 2026-10-03 10:08 UTCGHSA enrichment
  8. 2026-10-02 18:40 UTCEG score recompute
  9. 2026-10-02 18:40 UTCGHSA enrichment
  10. 2026-10-02 05:45 UTCEG score recompute
  11. 2026-10-02 05:44 UTCGHSA enrichment
  12. 2026-10-01 19:51 UTCEPSS rescore
  13. 2026-10-01 16:24 UTCGHSA enrichment
  14. 2026-10-01 03:33 UTCEG score recompute
  15. 2026-10-01 03:33 UTCGHSA enrichment
  16. 2026-09-30 15:04 UTCEPSS rescore
  17. 2026-09-30 14:43 UTCGHSA enrichment
  18. 2026-09-30 01:35 UTCEG score recompute
  19. 2026-09-30 01:35 UTCGHSA enrichment
  20. 2026-09-29 10:50 UTCGHSA enrichment
  21. 2026-09-28 21:47 UTCEG score recompute
  22. 2026-09-28 21:47 UTCGHSA enrichment
  23. 2026-09-28 13:52 UTCEPSS rescore
  24. 2026-09-28 13:52 UTCEPSS rescore
  25. 2026-09-28 08:56 UTCGHSA enrichment
Show 60 more
  1. 2026-09-27 20:05 UTCEG score recompute
  2. 2026-09-27 20:05 UTCGHSA enrichment
  3. 2026-09-27 13:49 UTCEPSS rescore
  4. 2026-09-27 07:14 UTCGHSA enrichment
  5. 2026-09-26 18:22 UTCEG score recompute
  6. 2026-09-26 18:22 UTCGHSA enrichment
  7. 2026-09-26 15:59 UTCEPSS rescore
  8. 2026-09-26 05:30 UTCEG score recompute
  9. 2026-09-26 05:30 UTCGHSA enrichment
  10. 2026-09-25 16:35 UTCGHSA enrichment
  11. 2026-09-25 03:43 UTCGHSA enrichment
  12. 2026-09-24 14:53 UTCEG score recompute
  13. 2026-09-24 14:53 UTCGHSA enrichment
  14. 2026-09-24 14:04 UTCEPSS rescore
  15. 2026-09-24 06:14 UTCEG score recompute
  16. 2026-09-24 06:14 UTCGHSA enrichment
  17. 2026-09-23 17:54 UTCEPSS rescore
  18. 2026-09-23 17:22 UTCGHSA enrichment
  19. 2026-09-23 14:18 UTCGHSA enrichment
  20. 2026-09-23 01:25 UTCEG score recompute
  21. 2026-09-23 01:25 UTCGHSA enrichment
  22. 2026-09-22 16:01 UTCEPSS rescore
  23. 2026-09-22 12:33 UTCGHSA enrichment
  24. 2026-09-21 23:42 UTCEG score recompute
  25. 2026-09-21 23:42 UTCGHSA enrichment
  26. 2026-09-21 21:09 UTCEPSS rescore
  27. 2026-09-21 10:51 UTCGHSA enrichment
  28. 2026-09-20 22:00 UTCEG score recompute
  29. 2026-09-20 22:00 UTCGHSA enrichment
  30. 2026-09-20 20:16 UTCEPSS rescore
  31. 2026-09-20 09:08 UTCGHSA enrichment
  32. 2026-09-19 20:16 UTCEG score recompute
  33. 2026-09-19 20:16 UTCGHSA enrichment
  34. 2026-09-19 07:24 UTCEG score recompute
  35. 2026-09-19 07:24 UTCGHSA enrichment
  36. 2026-09-18 19:28 UTCEPSS rescore
  37. 2026-09-18 18:33 UTCEG score recompute
  38. 2026-09-18 18:33 UTCGHSA enrichment
  39. 2026-09-18 17:29 UTCEG score recompute
  40. 2026-09-18 17:29 UTCGHSA enrichment
  41. 2026-09-18 08:34 UTCGHSA enrichment
  42. 2026-09-17 19:42 UTCEG score recompute
  43. 2026-09-17 19:42 UTCGHSA enrichment
  44. 2026-09-17 19:32 UTCEPSS rescore
  45. 2026-09-17 06:50 UTCGHSA enrichment
  46. 2026-09-16 17:58 UTCEG score recompute
  47. 2026-09-16 17:58 UTCGHSA enrichment
  48. 2026-09-16 14:09 UTCEPSS rescore
  49. 2026-09-16 05:15 UTCEPSS rescore
  50. 2026-09-16 03:37 UTCGHSA enrichment
  51. 2026-09-15 14:46 UTCEG score recompute
  52. 2026-09-15 14:46 UTCGHSA enrichment
  53. 2026-09-15 03:12 UTCEPSS rescore
  54. 2026-09-15 01:54 UTCGHSA enrichment
  55. 2026-09-14 13:03 UTCGHSA enrichment
  56. 2026-09-14 00:12 UTCEG score recompute
  57. 2026-09-14 00:12 UTCGHSA enrichment
  58. 2026-09-13 11:21 UTCEG score recompute
  59. 2026-09-13 10:50 UTCEG score recompute
  60. 2026-09-13 10:49 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-90770?
CVE-2026-90770 is a high vulnerability published on September 13, 2026. Spug through 3.4.0 contains a remote code execution vulnerability in the pingcheck function that interpolates user-supplied monitor addresses directly into shell commands without validation. Authenticated users with monitor permissions can inject shell metacharacters via the /monitor/runtest/…
When was CVE-2026-90770 disclosed?
CVE-2026-90770 was first published on September 13, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90770 actively exploited?
CVE-2026-90770 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.3% probability of exploitation in the next 30 days (69th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-90770?
CVE-2026-90770 has a CVSS base score of 8.8 (the CNA's own assessment, by vulncheck; NVD's own analysis pending).
How do I remediate CVE-2026-90770?
An upstream fix for CVE-2026-90770 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-90770 are linked in the Vendor Advisories panel on this page.

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