CVE-2026-12621

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-06-19. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

Improper neutralization of input during web page generation XSS vulnerability in the GridTime 3000 (password reset form) allows XSS. This issue affects GridTime 3000: from 1.0r0.03 before 1.2r0.0.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

June 19, 2026

Last Modified

July 9, 2026

References (1)

Vendor Advisories for CVE-2026-12621(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 6× in last 7d / 47× 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 166 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12621?
CVE-2026-12621 is a medium vulnerability published on June 19, 2026. Improper neutralization of input during web page generation XSS vulnerability in the GridTime 3000 (password reset form) allows XSS. This issue affects GridTime 3000: from 1.0r0.03 before 1.2r0.0.
When was CVE-2026-12621 disclosed?
CVE-2026-12621 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12621 actively exploited?
CVE-2026-12621 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 86.1% of all scored CVEs.
What is the CVSS score of CVE-2026-12621?
CVE-2026-12621 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-12621?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12621, 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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