CVE-2026-34110

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-01. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

Guardian language-system passes the id GET parameter directly into a PHP exec() call in complex_start.php (line 14) without sanitization: exec(\"php jobs/complex.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell metacharacters to execute arbitrary OS commands on the server.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
41.9%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 1, 2026

Advisory Details (2)

Auto-updated Jul 1, 2026
No patch confirmed yet.
generic

Guardian Language-System Unauthenticated OS Command Injection via id Parameter in complex_start.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/guardian-language-system-unauthenticated-os-command-injection-via-id-parameter-in-complex-start-php
generic

the_guardian_system_poc · GitHub

https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad

Vendor Advisories for CVE-2026-34110(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 71× in last 7d / 71× 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. 2026-07-07 04:40 UTCEG score recompute
  2. 2026-07-07 04:40 UTCGHSA enrichment
  3. 2026-07-07 00:28 UTCEG score recompute
  4. 2026-07-07 00:28 UTCGHSA enrichment
  5. 2026-07-06 20:18 UTCEG score recompute
  6. 2026-07-06 20:18 UTCGHSA enrichment
  7. 2026-07-06 16:27 UTCEPSS rescore
  8. 2026-07-06 16:27 UTCEPSS rescore
  9. 2026-07-06 16:06 UTCEG score recompute
  10. 2026-07-06 16:05 UTCGHSA enrichment
  11. 2026-07-06 11:55 UTCEG score recompute
  12. 2026-07-06 11:55 UTCGHSA enrichment
  13. 2026-07-06 07:41 UTCEG score recompute
  14. 2026-07-06 07:40 UTCGHSA enrichment
  15. 2026-07-06 03:28 UTCEG score recompute
  16. 2026-07-06 03:28 UTCGHSA enrichment
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-05 23:14 UTCEG score recompute
  20. 2026-07-05 23:14 UTCGHSA enrichment
  21. 2026-07-05 19:04 UTCEG score recompute
  22. 2026-07-05 19:04 UTCGHSA enrichment
  23. 2026-07-05 14:54 UTCEG score recompute
  24. 2026-07-05 14:54 UTCGHSA enrichment
  25. 2026-07-05 10:44 UTCEG score recompute
Show 46 more
  1. 2026-07-05 10:44 UTCGHSA enrichment
  2. 2026-07-05 06:34 UTCEG score recompute
  3. 2026-07-05 06:34 UTCGHSA enrichment
  4. 2026-07-05 02:30 UTCEPSS rescore
  5. 2026-07-05 02:23 UTCEG score recompute
  6. 2026-07-05 02:23 UTCGHSA enrichment
  7. 2026-07-04 22:13 UTCEG score recompute
  8. 2026-07-04 22:13 UTCGHSA enrichment
  9. 2026-07-04 18:04 UTCEG score recompute
  10. 2026-07-04 18:03 UTCGHSA enrichment
  11. 2026-07-04 13:49 UTCEG score recompute
  12. 2026-07-04 13:48 UTCGHSA enrichment
  13. 2026-07-04 09:38 UTCEG score recompute
  14. 2026-07-04 09:38 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-04 05:28 UTCEG score recompute
  17. 2026-07-04 05:28 UTCGHSA enrichment
  18. 2026-07-04 01:17 UTCEG score recompute
  19. 2026-07-04 01:17 UTCGHSA enrichment
  20. 2026-07-03 21:07 UTCEG score recompute
  21. 2026-07-03 21:07 UTCGHSA enrichment
  22. 2026-07-03 16:57 UTCEG score recompute
  23. 2026-07-03 16:57 UTCGHSA enrichment
  24. 2026-07-03 12:47 UTCEG score recompute
  25. 2026-07-03 12:47 UTCGHSA enrichment
  26. 2026-07-03 08:37 UTCEG score recompute
  27. 2026-07-03 08:37 UTCGHSA enrichment
  28. 2026-07-03 04:27 UTCEG score recompute
  29. 2026-07-03 04:27 UTCGHSA enrichment
  30. 2026-07-03 00:16 UTCEG score recompute
  31. 2026-07-03 00:15 UTCGHSA enrichment
  32. 2026-07-02 20:06 UTCEG score recompute
  33. 2026-07-02 20:06 UTCGHSA enrichment
  34. 2026-07-02 15:56 UTCEG score recompute
  35. 2026-07-02 15:56 UTCGHSA enrichment
  36. 2026-07-02 11:45 UTCEG score recompute
  37. 2026-07-02 11:45 UTCGHSA enrichment
  38. 2026-07-02 07:35 UTCEG score recompute
  39. 2026-07-02 07:34 UTCGHSA enrichment
  40. 2026-07-02 03:23 UTCEG score recompute
  41. 2026-07-02 03:23 UTCGHSA enrichment
  42. 2026-07-01 23:13 UTCEG score recompute
  43. 2026-07-01 23:13 UTCGHSA enrichment
  44. 2026-07-01 21:08 UTCNVD updateCVSS v4 → 9.3
  45. 2026-07-01 19:03 UTCEG score recompute
  46. 2026-07-01 19:03 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-34110?
CVE-2026-34110 is a critical vulnerability published on July 1, 2026. Guardian language-system passes the id GET parameter directly into a PHP exec() call in complexstart.php (line 14) without sanitization: exec(\"php jobs/complex.php \".$loginsession.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell…
When was CVE-2026-34110 disclosed?
CVE-2026-34110 was first published in the National Vulnerability Database on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34110 actively exploited?
CVE-2026-34110 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34110?
CVE-2026-34110 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-34110?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34110, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-34110

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