CVE-2026-57813

CRITICALPre-NVD 9.89.8
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-13. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
41%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Sep 19, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-57813(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 14× in last 7d / 88× 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 326 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-57813?
CVE-2026-57813 is a critical vulnerability published on July 13, 2026. Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.
When was CVE-2026-57813 disclosed?
CVE-2026-57813 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57813 actively exploited?
CVE-2026-57813 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 59.3% of all scored CVEs.
What is the CVSS score of CVE-2026-57813?
CVE-2026-57813 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-57813?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57813, 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-2026-57813

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