CVE-2026-18641

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-08-03. A secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.7%CVSS: 7.3Exploit: Elevated riskExposed services: Not assessed

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

A vulnerability was determined in Sangfor Operation and Maintenance Security Management System up to 3.0.13. Affected by this vulnerability is the function com.sbr.fort.foreignDP.DpLoginController of the file /fort/portal_login of the component Login Endpoint. This manipulation causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.3
EG Score
7.3HIGHmedium confidence
EG Risk
64
EG Risk 64/100CISA SSVC

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
2.7%
EPSS %ILE
85th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 3, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 3, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

# Sangfor OSM Unauthenticated RCE in `/fort/portal_login` · Issue #1 · lkua-1/cve · GitHub

https://github.com/lkua-1/cve/issues/1

Vendor Advisories for CVE-2026-18641(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 16× in last 7d / 82× 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 205 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-18641?
CVE-2026-18641 is a high vulnerability published on August 3, 2026. A vulnerability was determined in Sangfor Operation and Maintenance Security Management System up to 3.0.13. Affected by this vulnerability is the function com.sbr.fort.foreignDP.DpLoginController of the file /fort/portal_login of the component Login Endpoint. This manipulation causes os command…
When was CVE-2026-18641 disclosed?
CVE-2026-18641 was first published 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-2026-18641 actively exploited?
CVE-2026-18641 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.7% probability of exploitation in the next 30 days (85th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18641?
CVE-2026-18641 has a CVSS base score of 7.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18641?
No fix for CVE-2026-18641 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-18641 are linked in the Vendor Advisories panel on this page.

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