CVE-2026-16272

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-09. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Exploitation of Trusted Identifiers.

This issue affects PayTR Virtual Pos iFrame API (v9x) WHMCS Module: from v9.0.0 before v9.0.3.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1034

Vendor Advisories for CVE-2026-16272(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 53× in last 7d / 83× 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.

  1. 2026-09-19 05:23 UTCGHSA enrichment
  2. 2026-09-19 01:21 UTCGHSA enrichment
  3. 2026-09-18 21:20 UTCEG score recompute
  4. 2026-09-18 21:20 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 16:24 UTCGHSA enrichment
  7. 2026-09-18 12:23 UTCGHSA enrichment
  8. 2026-09-18 08:22 UTCGHSA enrichment
  9. 2026-09-18 04:17 UTCGHSA enrichment
  10. 2026-09-18 00:16 UTCGHSA enrichment
  11. 2026-09-17 20:15 UTCEG score recompute
  12. 2026-09-17 20:15 UTCGHSA enrichment
  13. 2026-09-17 14:48 UTCGHSA enrichment
  14. 2026-09-17 10:47 UTCGHSA enrichment
  15. 2026-09-17 06:45 UTCGHSA enrichment
  16. 2026-09-17 02:43 UTCGHSA enrichment
  17. 2026-09-16 22:36 UTCGHSA enrichment
  18. 2026-09-16 18:35 UTCGHSA enrichment
  19. 2026-09-16 14:32 UTCEG score recompute
  20. 2026-09-16 14:32 UTCGHSA enrichment
  21. 2026-09-16 14:07 UTCEPSS rescore
  22. 2026-09-16 10:31 UTCGHSA enrichment
  23. 2026-09-16 06:29 UTCEG score recompute
  24. 2026-09-16 06:29 UTCGHSA enrichment
  25. 2026-09-16 05:14 UTCEPSS rescore
Show 58 more
  1. 2026-09-16 02:28 UTCGHSA enrichment
  2. 2026-09-15 22:27 UTCGHSA enrichment
  3. 2026-09-15 18:25 UTCGHSA enrichment
  4. 2026-09-15 14:24 UTCGHSA enrichment
  5. 2026-09-15 10:23 UTCGHSA enrichment
  6. 2026-09-15 06:22 UTCEG score recompute
  7. 2026-09-15 06:21 UTCGHSA enrichment
  8. 2026-09-15 02:20 UTCGHSA enrichment
  9. 2026-09-14 22:17 UTCGHSA enrichment
  10. 2026-09-14 18:16 UTCGHSA enrichment
  11. 2026-09-14 14:00 UTCGHSA enrichment
  12. 2026-09-14 09:59 UTCGHSA enrichment
  13. 2026-09-14 05:57 UTCGHSA enrichment
  14. 2026-09-14 01:57 UTCGHSA enrichment
  15. 2026-09-13 21:56 UTCGHSA enrichment
  16. 2026-09-13 17:55 UTCEG score recompute
  17. 2026-09-13 17:55 UTCGHSA enrichment
  18. 2026-09-13 16:46 UTCEPSS rescore
  19. 2026-09-13 13:54 UTCGHSA enrichment
  20. 2026-09-13 09:53 UTCGHSA enrichment
  21. 2026-09-13 05:52 UTCGHSA enrichment
  22. 2026-09-13 01:52 UTCGHSA enrichment
  23. 2026-09-12 21:51 UTCGHSA enrichment
  24. 2026-09-12 17:50 UTCEG score recompute
  25. 2026-09-12 17:50 UTCGHSA enrichment
  26. 2026-09-12 15:00 UTCEPSS rescore
  27. 2026-09-12 13:49 UTCGHSA enrichment
  28. 2026-09-12 09:48 UTCGHSA enrichment
  29. 2026-09-12 05:47 UTCGHSA enrichment
  30. 2026-09-12 01:46 UTCGHSA enrichment
  31. 2026-09-11 21:45 UTCGHSA enrichment
  32. 2026-09-11 17:44 UTCEG score recompute
  33. 2026-09-11 17:44 UTCGHSA enrichment
  34. 2026-09-11 14:52 UTCEPSS rescore
  35. 2026-09-11 13:43 UTCGHSA enrichment
  36. 2026-09-11 09:42 UTCEG score recompute
  37. 2026-09-11 09:42 UTCGHSA enrichment
  38. 2026-09-11 09:36 UTCEPSS rescore
  39. 2026-09-11 05:40 UTCGHSA enrichment
  40. 2026-09-11 01:38 UTCGHSA enrichment
  41. 2026-09-10 21:37 UTCGHSA enrichment
  42. 2026-09-10 17:36 UTCGHSA enrichment
  43. 2026-09-10 13:35 UTCGHSA enrichment
  44. 2026-09-10 09:34 UTCEG score recompute
  45. 2026-09-10 09:34 UTCGHSA enrichment
  46. 2026-09-10 09:34 UTCEPSS rescore
  47. 2026-09-10 05:32 UTCGHSA enrichment
  48. 2026-09-10 01:31 UTCGHSA enrichment
  49. 2026-09-09 21:30 UTCEG score recompute
  50. 2026-09-09 21:30 UTCGHSA enrichment
  51. 2026-09-09 20:55 UTCEG score recompute
  52. 2026-09-09 20:55 UTCGHSA enrichment
  53. 2026-09-09 15:49 UTCGHSA enrichment
  54. 2026-09-09 13:23 UTCEG score recompute
  55. 2026-09-09 13:22 UTCGHSA enrichment
  56. 2026-09-09 09:18 UTCEG score recompute
  57. 2026-09-09 08:32 UTCEG score recompute
  58. 2026-09-09 08:30 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16272?
CVE-2026-16272 is a critical vulnerability published on September 9, 2026. Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API (v9x) WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects PayTR Virtual Pos iFrame API (v9x) WHMCS Module: from v9.0.0 before v9.0.3.
When was CVE-2026-16272 disclosed?
CVE-2026-16272 was first published in the National Vulnerability Database on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16272 actively exploited?
CVE-2026-16272 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 95.9% of all scored CVEs.
What is the CVSS score of CVE-2026-16272?
CVE-2026-16272 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-16272?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16272, 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-2026-16272

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