CVE-2026-50883

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.6Exploit: NoneExposed: 0

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

An HTML injection vulnerability in the /src/highlight.rs component of matze wastebin v3.4.1 allows attackers to execute arbitrary scripts via a crafted payload.

CVSS v3
9.6
EG Score
9.6(high)
EPSS
29.4%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Reference for CVE-2026-50883 · GitHub

https://gist.github.com/pyuysig/eb74ae37c49d0383bedc08881c2493c4

Vendor Advisories for CVE-2026-50883(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 77× in last 7d / 237× 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 237 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50883?
CVE-2026-50883 is a critical vulnerability published on June 15, 2026. An HTML injection vulnerability in the /src/highlight.rs component of matze wastebin v3.4.1 allows attackers to execute arbitrary scripts via a crafted payload.
When was CVE-2026-50883 disclosed?
CVE-2026-50883 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50883 actively exploited?
CVE-2026-50883 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50883?
CVE-2026-50883 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50883?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50883, 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

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