CVE-2026-35220

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-05-26. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

Lack of CSRF token validation lead to a CSRF attack vector in the admin activation endpoint of com_users.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
1.2%
KEV
Not listed

Published

May 26, 2026

Last Modified

July 20, 2026

Advisory Details (1)

Auto-updated Jun 17, 2026
No patch confirmed yet.
generic

[20260505] - Core - CSRF in user activation endpoint

https://developer.joomla.org/security-centre/1037-20260505-core-csrf-in-user-activation-endpoint

Vendor Advisories for CVE-2026-35220(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 7× in last 7d / 37× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 06:22 UTCOSV refresh
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-16 17:03 UTCEPSS rescore
  8. 2026-07-15 16:57 UTCEPSS rescore
  9. 2026-07-15 16:57 UTCEPSS rescore
  10. 2026-07-15 02:00 UTCEPSS rescore
  11. 2026-07-13 22:30 UTCEPSS rescore
  12. 2026-07-13 06:13 UTCEPSS rescore
  13. 2026-07-13 06:13 UTCEPSS rescore
  14. 2026-07-12 05:46 UTCEPSS rescore
  15. 2026-07-09 19:10 UTCEPSS rescore
  16. 2026-07-08 15:15 UTCEPSS rescore
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-06 02:23 UTCEPSS rescore
  20. 2026-07-05 02:30 UTCEPSS rescore
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-01 15:06 UTCEPSS rescore
  23. 2026-07-01 12:38 UTCGHSA enrichment
  24. 2026-06-30 23:22 UTCEPSS rescore
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 46 more
  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-28 23:08 UTCGHSA enrichment
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-28 04:56 UTCEPSS rescore
  7. 2026-06-27 19:12 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 17:54 UTCGHSA enrichment
  10. 2026-06-25 11:51 UTCGHSA enrichment
  11. 2026-06-23 21:33 UTCEPSS rescore
  12. 2026-06-23 21:33 UTCEPSS rescore
  13. 2026-06-22 14:25 UTCEPSS rescore
  14. 2026-06-22 14:25 UTCEPSS rescore
  15. 2026-06-21 01:59 UTCEPSS rescore
  16. 2026-06-18 17:52 UTCEPSS rescore
  17. 2026-06-18 17:52 UTCEPSS rescore
  18. 2026-06-18 02:25 UTCGHSA enrichment
  19. 2026-06-17 17:53 UTCEPSS rescore
  20. 2026-06-17 01:06 UTCGHSA enrichment
  21. 2026-06-15 23:48 UTCGHSA enrichment
  22. 2026-06-15 17:49 UTCEPSS rescore
  23. 2026-06-14 22:30 UTCGHSA enrichment
  24. 2026-06-13 21:13 UTCGHSA enrichment
  25. 2026-06-12 16:24 UTCGHSA enrichment
  26. 2026-06-11 15:04 UTCGHSA enrichment
  27. 2026-06-10 13:46 UTCGHSA enrichment
  28. 2026-06-09 12:28 UTCGHSA enrichment
  29. 2026-06-08 11:10 UTCGHSA enrichment
  30. 2026-06-07 09:53 UTCGHSA enrichment
  31. 2026-06-06 08:35 UTCGHSA enrichment
  32. 2026-06-05 07:16 UTCGHSA enrichment
  33. 2026-06-04 05:58 UTCGHSA enrichment
  34. 2026-06-03 04:40 UTCGHSA enrichment
  35. 2026-06-02 03:22 UTCGHSA enrichment
  36. 2026-06-01 02:04 UTCEG score recompute▼ 0.30
  37. 2026-06-01 02:04 UTCGHSA enrichment
  38. 2026-05-29 13:44 UTCEPSS rescore
  39. 2026-05-29 13:44 UTCEPSS rescore
  40. 2026-05-28 13:44 UTCEPSS rescore
  41. 2026-05-28 13:44 UTCEPSS rescore
  42. 2026-05-28 13:44 UTCEPSS rescore
  43. 2026-05-27 13:40 UTCEPSS rescore
  44. 2026-05-27 13:40 UTCEPSS rescore
  45. 2026-05-27 13:40 UTCEPSS rescore
  46. 2026-05-26 17:01 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-35220?
CVE-2026-35220 is a medium vulnerability published on May 26, 2026. Lack of CSRF token validation lead to a CSRF attack vector in the admin activation endpoint of com_users.
When was CVE-2026-35220 disclosed?
CVE-2026-35220 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35220 actively exploited?
CVE-2026-35220 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35220?
CVE-2026-35220 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-35220?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35220, 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-2026-35220

Explore →

Is Your Infrastructure Affected by CVE-2026-35220?

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

Start Free Scan →Browse All CVEs