CVE-2026-27429

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-17. 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 Nifty <= 1.4.1 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
43%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 25, 2026
No patch confirmed yet.
generic

PHP Object Injection in WordPress Nifty Theme - Patchstack

https://patchstack.com/database/wordpress/theme/nifty/vulnerability/wordpress-nifty-theme-1-4-1-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-27429(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 17× in last 7d / 158× 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 231 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-27429?
CVE-2026-27429 is a critical vulnerability published on June 17, 2026. Unauthenticated PHP Object Injection in Nifty <= 1.4.1 versions.
When was CVE-2026-27429 disclosed?
CVE-2026-27429 was first published in the National Vulnerability Database on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27429 actively exploited?
CVE-2026-27429 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 57.0% of all scored CVEs.
What is the CVSS score of CVE-2026-27429?
CVE-2026-27429 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-27429?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27429, 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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