CVE-2026-49383

LOWNVD 3.33.3
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-05-29. NVD baseline CVSS 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
3.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.3Exploit: NoneExposed: 0

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

In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible

CVSS v3
3.3
EG Score
3.3(medium)
EPSS
1.5%
KEV
Not listed

Published

May 29, 2026

Last Modified

June 1, 2026

Vendor Advisories for CVE-2026-49383(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 8× in last 7d / 45× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-14 21:56 UTCEG score recompute
  3. 2026-07-14 21:56 UTCGHSA enrichment
  4. 2026-07-13 22:30 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-11 18:21 UTCEG score recompute
  7. 2026-07-11 18:21 UTCGHSA enrichment
  8. 2026-07-09 19:10 UTCEPSS rescore
  9. 2026-07-08 17:21 UTCEG score recompute
  10. 2026-07-08 17:21 UTCGHSA enrichment
  11. 2026-07-08 15:16 UTCEPSS rescore
  12. 2026-07-07 13:46 UTCEPSS rescore
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-01 15:07 UTCEPSS rescore
  17. 2026-07-01 01:30 UTCEG score recompute
  18. 2026-07-01 01:30 UTCGHSA enrichment
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-28 14:07 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-27 16:18 UTCEG score recompute
Show 39 more
  1. 2026-06-27 16:18 UTCGHSA enrichment
  2. 2026-06-27 03:08 UTCEPSS rescore
  3. 2026-06-25 13:49 UTCEPSS rescore
  4. 2026-06-24 15:14 UTCEG score recompute
  5. 2026-06-24 15:14 UTCGHSA enrichment
  6. 2026-06-24 14:05 UTCEPSS rescore
  7. 2026-06-23 21:33 UTCEPSS rescore
  8. 2026-06-23 21:33 UTCEPSS rescore
  9. 2026-06-21 14:56 UTCEPSS rescore
  10. 2026-06-21 14:56 UTCEPSS rescore
  11. 2026-06-21 01:59 UTCEPSS rescore
  12. 2026-06-21 01:59 UTCEPSS rescore
  13. 2026-06-19 19:26 UTCEPSS rescore
  14. 2026-06-19 19:26 UTCEPSS rescore
  15. 2026-06-18 17:52 UTCEPSS rescore
  16. 2026-06-18 17:52 UTCEPSS rescore
  17. 2026-06-17 17:53 UTCEPSS rescore
  18. 2026-06-16 23:29 UTCEG score recompute
  19. 2026-06-16 23:29 UTCGHSA enrichment
  20. 2026-06-16 17:53 UTCEPSS rescore
  21. 2026-06-15 17:49 UTCEPSS rescore
  22. 2026-06-15 17:49 UTCEPSS rescore
  23. 2026-06-13 22:39 UTCEG score recompute
  24. 2026-06-13 22:39 UTCGHSA enrichment
  25. 2026-06-10 21:48 UTCEG score recompute
  26. 2026-06-10 21:48 UTCGHSA enrichment
  27. 2026-06-08 14:17 UTCEPSS rescore
  28. 2026-06-08 14:17 UTCEPSS rescore
  29. 2026-06-07 20:58 UTCEG score recompute
  30. 2026-06-07 20:58 UTCGHSA enrichment
  31. 2026-06-07 15:25 UTCEPSS rescore
  32. 2026-06-07 15:25 UTCEPSS rescore
  33. 2026-06-04 20:08 UTCEG score recompute
  34. 2026-06-04 20:08 UTCGHSA enrichment
  35. 2026-06-01 19:17 UTCEG score recompute
  36. 2026-06-01 19:17 UTCGHSA enrichment
  37. 2026-05-31 00:16 UTCEPSS rescore
  38. 2026-05-31 00:16 UTCEPSS rescore
  39. 2026-05-29 18:26 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-49383?
CVE-2026-49383 is a low vulnerability published on May 29, 2026. In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible
When was CVE-2026-49383 disclosed?
CVE-2026-49383 was first published in the National Vulnerability Database on May 29, 2026, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49383 actively exploited?
CVE-2026-49383 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-49383?
CVE-2026-49383 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2026-49383?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49383, 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-2026-49383

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