CVE-2026-8881

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

Version 3.0.7 of the Securly Chrome Extension uses EVP_BytesToKey key derivation with MD5 and a single iteration for AES encryption. MD5 has been broken since 2004 and a single iteration provides no key stretching.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
5.9%
KEV
Not listed

Published

June 3, 2026

Last Modified

June 5, 2026

Advisory Details (1)

Auto-updated Jun 7, 2026
No patch confirmed yet. Sources: cert.
cert

VU#595768 - Securly Chrome Extension contains multiple weak encryption and access control vulnerabilities

https://kb.cert.org/vuls/id/595768

Vendor Advisories for CVE-2026-8881(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 16× in last 7d / 96× 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 147 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-8881?
CVE-2026-8881 is a high vulnerability published on June 3, 2026. Version 3.0.7 of the Securly Chrome Extension uses EVP_BytesToKey key derivation with MD5 and a single iteration for AES encryption. MD5 has been broken since 2004 and a single iteration provides no key stretching.
When was CVE-2026-8881 disclosed?
CVE-2026-8881 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on June 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8881 actively exploited?
CVE-2026-8881 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8881?
CVE-2026-8881 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-8881?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8881, 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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