CVE-2026-12621

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 86% 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: cna:microchip, epss
Trending — 3 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 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
5.3
EG Score
5.3(medium)
EPSS
13.8%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 29, 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 23× in last 7d / 53× 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. 2026-07-06 21:33 UTCEG score recompute
  2. 2026-07-06 21:33 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 22:15 UTCEG score recompute
  6. 2026-07-05 22:15 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 23:34 UTCEG score recompute
  10. 2026-07-04 23:34 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 00:53 UTCEG score recompute
  13. 2026-07-04 00:52 UTCGHSA enrichment
  14. 2026-07-03 02:12 UTCEG score recompute
  15. 2026-07-03 02:11 UTCGHSA enrichment
  16. 2026-07-02 03:29 UTCEG score recompute
  17. 2026-07-02 03:29 UTCGHSA enrichment
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-07-01 15:06 UTCEPSS rescore
  20. 2026-07-01 04:48 UTCEG score recompute
  21. 2026-07-01 04:47 UTCGHSA enrichment
  22. 2026-06-30 06:02 UTCEG score recompute
  23. 2026-06-30 06:02 UTCGHSA enrichment
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 07:20 UTCEG score recompute
Show 28 more
  1. 2026-06-29 07:20 UTCGHSA enrichment
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 08:39 UTCEG score recompute
  4. 2026-06-28 08:39 UTCGHSA enrichment
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-28 04:56 UTCEPSS rescore
  7. 2026-06-27 09:59 UTCEG score recompute
  8. 2026-06-27 09:59 UTCGHSA enrichment
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 11:18 UTCEG score recompute
  11. 2026-06-26 11:17 UTCGHSA enrichment
  12. 2026-06-25 13:49 UTCEPSS rescore
  13. 2026-06-25 09:16 UTCEG score recompute
  14. 2026-06-25 09:16 UTCGHSA enrichment
  15. 2026-06-24 14:05 UTCEPSS rescore
  16. 2026-06-24 10:35 UTCEG score recompute
  17. 2026-06-24 10:35 UTCGHSA enrichment
  18. 2026-06-23 21:32 UTCEPSS rescore
  19. 2026-06-23 11:51 UTCEG score recompute
  20. 2026-06-23 11:51 UTCGHSA enrichment
  21. 2026-06-22 13:08 UTCEG score recompute
  22. 2026-06-22 13:07 UTCGHSA enrichment
  23. 2026-06-21 14:26 UTCEG score recompute
  24. 2026-06-21 14:26 UTCGHSA enrichment
  25. 2026-06-20 15:45 UTCEG score recompute
  26. 2026-06-20 15:45 UTCGHSA enrichment
  27. 2026-06-19 17:03 UTCEG score recompute
  28. 2026-06-19 17:00 UTCNVD updatefirst tracked

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 June 29, 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 13.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12621?
CVE-2026-12621 has a CVSS v4.0 base score of 5.3 (CNA self-assessment; NVD's own analysis pending).
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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-12621

Explore →

Is Your Infrastructure Affected by CVE-2026-12621?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs