CVE-2026-57677

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-02. 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: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Unauthenticated PHP Object Injection in Novalnet Payment Gateway for WooCommerce <= 12.10.3 versions.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Aug 22, 2026
No patch confirmed yet.
generic

PHP Object Injection in WordPress Novalnet Payment Gateway for WooCommerce Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/woocommerce-novalnet-gateway/vulnerability/wordpress-novalnet-payment-gateway-for-woocommerce-plugin-12-10-3-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57677(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 29× in last 7d / 206× 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 371 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-57677?
CVE-2026-57677 is a critical vulnerability published on July 2, 2026. Unauthenticated PHP Object Injection in Novalnet Payment Gateway for WooCommerce <= 12.10.3 versions.
When was CVE-2026-57677 disclosed?
CVE-2026-57677 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57677 actively exploited?
CVE-2026-57677 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.7% of all scored CVEs.
What is the CVSS score of CVE-2026-57677?
CVE-2026-57677 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-57677?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57677, 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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