CVE-2026-8740

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-05-17. NVD baseline CVSS 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
14.1%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 18, 2026

References (4)

Vendor Advisories for CVE-2026-8740(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 56× 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 103 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-01 15:07 UTCEPSS rescore
  14. 2026-06-30 23:22 UTCEPSS rescore
  15. 2026-06-29 21:14 UTCEG score recompute
  16. 2026-06-29 21:14 UTCGHSA enrichment
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-27 21:37 UTCEG score recompute
  21. 2026-06-27 21:37 UTCGHSA enrichment
  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-26 20:02 UTCEG score recompute
  24. 2026-06-26 20:02 UTCGHSA enrichment
  25. 2026-06-25 18:32 UTCEG score recompute
Show 75 more
  1. 2026-06-25 18:32 UTCGHSA enrichment
  2. 2026-06-25 13:50 UTCEPSS rescore
  3. 2026-06-24 14:05 UTCEPSS rescore
  4. 2026-06-23 21:33 UTCEPSS rescore
  5. 2026-06-22 14:25 UTCEPSS rescore
  6. 2026-06-21 14:56 UTCEPSS rescore
  7. 2026-06-21 01:59 UTCEPSS rescore
  8. 2026-06-19 19:26 UTCEPSS rescore
  9. 2026-06-18 17:52 UTCEPSS rescore
  10. 2026-06-17 23:46 UTCEG score recompute
  11. 2026-06-17 23:46 UTCGHSA enrichment
  12. 2026-06-17 17:53 UTCEPSS rescore
  13. 2026-06-17 00:46 UTCEG score recompute
  14. 2026-06-17 00:46 UTCGHSA enrichment
  15. 2026-06-16 17:53 UTCEPSS rescore
  16. 2026-06-16 02:35 UTCEG score recompute
  17. 2026-06-16 02:35 UTCGHSA enrichment
  18. 2026-06-15 17:49 UTCEPSS rescore
  19. 2026-06-15 17:49 UTCEPSS rescore
  20. 2026-06-15 03:36 UTCEG score recompute
  21. 2026-06-15 03:36 UTCGHSA enrichment
  22. 2026-06-14 23:18 UTCEPSS rescore
  23. 2026-06-14 05:25 UTCEG score recompute
  24. 2026-06-14 05:25 UTCGHSA enrichment
  25. 2026-06-13 23:00 UTCEPSS rescore
  26. 2026-06-13 06:23 UTCEG score recompute
  27. 2026-06-13 06:23 UTCGHSA enrichment
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-12 23:12 UTCEPSS rescore
  30. 2026-06-12 07:43 UTCEG score recompute
  31. 2026-06-12 07:43 UTCGHSA enrichment
  32. 2026-06-11 14:00 UTCEPSS rescore
  33. 2026-06-11 09:32 UTCEG score recompute
  34. 2026-06-11 09:31 UTCGHSA enrichment
  35. 2026-06-10 22:19 UTCEPSS rescore
  36. 2026-06-10 13:22 UTCEPSS rescore
  37. 2026-06-10 11:20 UTCEG score recompute
  38. 2026-06-10 11:20 UTCGHSA enrichment
  39. 2026-06-09 13:08 UTCEG score recompute
  40. 2026-06-09 13:08 UTCGHSA enrichment
  41. 2026-06-08 14:56 UTCEG score recompute
  42. 2026-06-08 14:56 UTCGHSA enrichment
  43. 2026-06-08 14:17 UTCEPSS rescore
  44. 2026-06-07 16:45 UTCEG score recompute
  45. 2026-06-07 16:45 UTCGHSA enrichment
  46. 2026-06-07 15:25 UTCEPSS rescore
  47. 2026-06-06 18:33 UTCEG score recompute
  48. 2026-06-06 18:33 UTCGHSA enrichment
  49. 2026-06-06 13:47 UTCEPSS rescore
  50. 2026-06-05 22:47 UTCEPSS rescore
  51. 2026-06-05 20:21 UTCEG score recompute
  52. 2026-06-05 20:21 UTCGHSA enrichment
  53. 2026-06-05 06:10 UTCEPSS rescore
  54. 2026-06-04 22:10 UTCEG score recompute
  55. 2026-06-04 22:10 UTCGHSA enrichment
  56. 2026-06-04 13:12 UTCEPSS rescore
  57. 2026-06-03 23:58 UTCEG score recompute
  58. 2026-06-03 23:58 UTCGHSA enrichment
  59. 2026-06-03 01:46 UTCEG score recompute
  60. 2026-06-03 01:46 UTCGHSA enrichment
  61. 2026-06-02 20:13 UTCEPSS rescore
  62. 2026-06-02 03:34 UTCEG score recompute
  63. 2026-06-02 03:34 UTCGHSA enrichment
  64. 2026-06-01 13:52 UTCEPSS rescore
  65. 2026-06-01 05:22 UTCEG score recompute
  66. 2026-06-01 05:22 UTCGHSA enrichment
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 00:16 UTCEPSS rescore
  69. 2026-05-29 13:44 UTCEPSS rescore
  70. 2026-05-28 13:44 UTCEPSS rescore
  71. 2026-05-27 13:40 UTCEPSS rescore
  72. 2026-05-26 13:44 UTCEPSS rescore
  73. 2026-05-26 07:18 UTCEPSS rescore
  74. 2026-05-21 22:43 UTCEPSS rescore
  75. 2026-05-20 22:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-8740?
CVE-2026-8740 is a medium vulnerability published on May 17, 2026. A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes…
When was CVE-2026-8740 disclosed?
CVE-2026-8740 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8740 actively exploited?
CVE-2026-8740 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8740?
CVE-2026-8740 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-8740?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8740, 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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