CVE-2026-18646

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-03. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in danpros HTMLy up to 3.1.1. This vulnerability affects unknown code of the file /system/htmly.php of the component Author Name Handler. Executing a manipulation of the argument Name can lead to path traversal. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

August 3, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 3, 2026
No patch confirmed yet.
generic

danpros htmly v3.1.1 /system/htmly.php Path Traversal in /author/:name (CWE-22) · Issue #7 · orionyan520/cve_report · GitHub

https://github.com/orionyan520/cve_report/issues/7

Vendor Advisories for CVE-2026-18646(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 20× in last 7d / 56× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 18:20 UTCGHSA enrichment
  3. 2026-08-19 18:57 UTCEG score recompute
  4. 2026-08-19 18:57 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 19:00 UTCEG score recompute
  7. 2026-08-18 19:00 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 19:36 UTCEG score recompute
  10. 2026-08-17 19:36 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 18:50 UTCEG score recompute
  13. 2026-08-16 18:50 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 19:19 UTCEG score recompute
  17. 2026-08-15 19:19 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 19:56 UTCEG score recompute
  20. 2026-08-14 19:56 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 20:32 UTCGHSA enrichment
  23. 2026-08-12 21:08 UTCEG score recompute
  24. 2026-08-12 21:08 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 31 more
  1. 2026-08-12 10:30 UTCEG score recompute
  2. 2026-08-12 10:30 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 11:06 UTCEG score recompute
  5. 2026-08-11 11:06 UTCGHSA enrichment
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 11:43 UTCEG score recompute
  8. 2026-08-10 11:43 UTCGHSA enrichment
  9. 2026-08-09 13:46 UTCEPSS rescore
  10. 2026-08-09 12:18 UTCEG score recompute
  11. 2026-08-09 12:18 UTCGHSA enrichment
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-08 12:54 UTCEG score recompute
  14. 2026-08-08 12:54 UTCGHSA enrichment
  15. 2026-08-07 13:30 UTCGHSA enrichment
  16. 2026-08-06 14:07 UTCEG score recompute
  17. 2026-08-06 14:07 UTCGHSA enrichment
  18. 2026-08-06 13:46 UTCEPSS rescore
  19. 2026-08-05 19:17 UTCEPSS rescore
  20. 2026-08-05 14:43 UTCGHSA enrichment
  21. 2026-08-04 15:20 UTCEG score recompute
  22. 2026-08-04 15:20 UTCGHSA enrichment
  23. 2026-08-04 15:19 UTCNVD updateCVSS v4 → 5.5
  24. 2026-08-04 15:10 UTCEPSS rescore
  25. 2026-08-04 14:49 UTCEG score recompute
  26. 2026-08-04 14:49 UTCGHSA enrichment
  27. 2026-08-04 14:47 UTCMITRE cvelistV5CVSS v4 → 6.9
  28. 2026-08-03 21:20 UTCEG score recompute
  29. 2026-08-03 21:20 UTCNVD updateCVSS v4 → 5.5
  30. 2026-08-03 20:43 UTCEG score recompute
  31. 2026-08-03 20:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18646?
CVE-2026-18646 is a medium vulnerability published on August 3, 2026. A weakness has been identified in danpros HTMLy up to 3.1.1. This vulnerability affects unknown code of the file /system/htmly.php of the component Author Name Handler. Executing a manipulation of the argument Name can lead to path traversal. The attack may be launched remotely. The exploit has…
When was CVE-2026-18646 disclosed?
CVE-2026-18646 was first published in the National Vulnerability Database on August 3, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18646 actively exploited?
CVE-2026-18646 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 56.9% of all scored CVEs.
What is the CVSS score of CVE-2026-18646?
CVE-2026-18646 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-18646?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18646, 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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