CVE-2026-36829

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-19. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

An authentication bypass vulnerability exists in the embedded HTTP server of Panabit PAP-XM320 up to and including v7.7. The server validates session cookies using a filesystem existence check based on a user-controlled cookie value without proper sanitization, allowing directory traversal and bypass of authentication.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
66.4%
KEV
Not listed

Published

May 19, 2026

Last Modified

May 19, 2026

Advisory Details (2)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

Notion

https://secreu.notion.site/CVE-2026-36829-3652c0ab461580e19704e87b18865714
generic

北京派网软件有限公司

https://www.panabit.com/

Vendor Advisories for CVE-2026-36829(1)

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

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 86× 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 302 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36829?
CVE-2026-36829 is a critical vulnerability published on May 19, 2026. An authentication bypass vulnerability exists in the embedded HTTP server of Panabit PAP-XM320 up to and including v7.7. The server validates session cookies using a filesystem existence check based on a user-controlled cookie value without proper sanitization, allowing directory traversal and…
When was CVE-2026-36829 disclosed?
CVE-2026-36829 was first published in the National Vulnerability Database on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36829 actively exploited?
CVE-2026-36829 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36829?
CVE-2026-36829 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-36829?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36829, 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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