CVE-2026-39276

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-05-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Elevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.2Exploit: Elevated riskExposed: 0

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

The template upload feature in Emlog Pro v2.6.9 has a path traversal vulnerability, allowing authenticated administrators to execute arbitrary PHP code. By uploading a malicious ZIP archive containing directory traversal sequences in filenames, an attacker can overwrite default template files or directly include malicious code files in the current template.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
48(Track*)
EG Risk 48/100SSVC: 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
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
54%
KEV
Not listed

Published

May 29, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Jun 11, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - LING12138-sg/Emlog-v2.6.9-Vulnerability-Report: Regarding CVE review · GitHub

https://github.com/LING12138-sg/Emlog-v2.6.9-Vulnerability-Report
generic

emlog - 基于php的blog博客程序及CMS建站系统

https://www.emlog.net/

Vendor Advisories for CVE-2026-39276(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 6× in last 7d / 68× 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 243 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-39276?
CVE-2026-39276 is a high vulnerability published on May 29, 2026. The template upload feature in Emlog Pro v2.6.9 has a path traversal vulnerability, allowing authenticated administrators to execute arbitrary PHP code. By uploading a malicious ZIP archive containing directory traversal sequences in filenames, an attacker can overwrite default template files or…
When was CVE-2026-39276 disclosed?
CVE-2026-39276 was first published in the National Vulnerability Database on May 29, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-39276 actively exploited?
CVE-2026-39276 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 46.4% of all scored CVEs.
What is the CVSS score of CVE-2026-39276?
CVE-2026-39276 has a CVSS v3.1 base score of 7.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-39276?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39276, 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.

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