CVE-2026-26026

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 80% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.1Exploit: NoneExposed: 0

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

GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, template injection by an administrator lead to RCE. This vulnerability is fixed in 11.0.6.

CVSS v3
9.1
EG Score
9.1(medium)
EPSS
29.3%
KEV
Not listed

Published

April 6, 2026

Last Modified

April 7, 2026

Advisory Details (1)

Auto-updated May 20, 2026
Patch available. Sources: github.
github Patch Available

Server-Side Template Injection · Advisory · glpi-project/glpi · GitHub

https://github.com/glpi-project/glpi/security/advisories/GHSA-2c98-648q-h27h

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 46× 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 120 total refreshes for this CVE.

  1. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-16 17:03 UTCEPSS rescore
  3. 2026-07-15 16:57 UTCEPSS rescore
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  7. 2026-07-13 22:30 UTCEPSS rescore
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  10. 2026-07-12 05:46 UTCEPSS rescore
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  12. 2026-07-11 08:27 UTCEPSS rescore
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-06 16:27 UTCEPSS rescore
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  16. 2026-07-06 02:23 UTCEPSS rescore
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  21. 2026-07-01 15:06 UTCEPSS rescore
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  25. 2026-06-28 14:07 UTCEPSS rescore
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  1. 2026-06-28 14:07 UTCEPSS rescore
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  4. 2026-06-27 03:08 UTCEPSS rescore
  5. 2026-06-25 13:49 UTCEPSS rescore
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  7. 2026-06-24 14:05 UTCEPSS rescore
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  9. 2026-06-23 21:33 UTCEPSS rescore
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  11. 2026-06-22 14:25 UTCEPSS rescore
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  15. 2026-06-21 01:59 UTCEPSS rescore
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  17. 2026-06-19 19:25 UTCEPSS rescore
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  20. 2026-06-17 17:53 UTCEPSS rescore
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  22. 2026-06-16 17:52 UTCEPSS rescore
  23. 2026-06-15 17:48 UTCEPSS rescore
  24. 2026-06-14 23:18 UTCEPSS rescore
  25. 2026-06-13 23:00 UTCEPSS rescore
  26. 2026-06-12 23:12 UTCEPSS rescore
  27. 2026-06-12 23:12 UTCEPSS rescore
  28. 2026-06-12 06:17 UTCEG score recompute
  29. 2026-06-12 01:59 UTCEG score recompute
  30. 2026-06-11 21:41 UTCEG score recompute
  31. 2026-06-11 14:00 UTCEPSS rescore
  32. 2026-06-10 22:49 UTCEG score recompute
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  35. 2026-06-10 18:30 UTCEG score recompute
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  37. 2026-06-10 13:22 UTCEPSS rescore
  38. 2026-06-10 09:50 UTCEG score recompute
  39. 2026-06-10 05:32 UTCEG score recompute
  40. 2026-06-10 01:14 UTCEG score recompute
  41. 2026-06-09 18:29 UTCEG score recompute
  42. 2026-06-09 14:11 UTCEG score recompute
  43. 2026-06-08 14:17 UTCEPSS rescore
  44. 2026-06-08 14:17 UTCEPSS rescore
  45. 2026-06-08 12:29 UTCEG score recompute
  46. 2026-06-08 08:06 UTCEG score recompute
  47. 2026-06-08 03:46 UTCEG score recompute
  48. 2026-06-07 23:28 UTCEG score recompute
  49. 2026-06-07 19:10 UTCEG score recompute
  50. 2026-06-07 15:25 UTCEPSS rescore
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  52. 2026-06-07 15:25 UTCEPSS rescore
  53. 2026-06-07 14:52 UTCEG score recompute
  54. 2026-06-07 10:33 UTCEG score recompute
  55. 2026-06-06 13:47 UTCEPSS rescore
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  57. 2026-06-05 22:47 UTCEPSS rescore
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  59. 2026-06-05 06:10 UTCEPSS rescore
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  61. 2026-06-04 13:12 UTCEPSS rescore
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  63. 2026-06-02 20:13 UTCEPSS rescore
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  65. 2026-06-01 13:51 UTCEPSS rescore
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  67. 2026-05-31 22:30 UTCEPSS rescore
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  71. 2026-05-29 13:44 UTCEPSS rescore
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  73. 2026-05-28 13:44 UTCEPSS rescore
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  75. 2026-05-28 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-26026?
CVE-2026-26026 is a critical vulnerability published on April 6, 2026. GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, template injection by an administrator lead to RCE. This vulnerability is fixed in 11.0.6.
When was CVE-2026-26026 disclosed?
CVE-2026-26026 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on April 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-26026 actively exploited?
CVE-2026-26026 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-26026?
CVE-2026-26026 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-26026?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26026, 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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