CVE-2026-19373

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-08-10. 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: 0.1%CVSS: 5.3Exploit: 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 weakness has been identified in PhialsBasement KoboldCPP-MCP-Server 1.0.0. Affected by this issue is the function makeRequest of the file src/index.ts of the component BaseConfigSchema. Executing a manipulation of the argument apiUrl can lead to server-side request forgery. It is possible to launch the attack on the local host. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
40
EG Risk 40/100CISA 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
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* 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, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
3rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* 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, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (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 9, 2026

Last Modified

August 12, 2026

Advisory Details (2)

Auto-updated Aug 9, 2026
No patch confirmed yet.
generic

GitHub - PhialsBasement/KoboldCPP-MCP-Server: AI to AI comms with koboldcpp from Claude/other MCP compatible apps · GitHub

https://github.com/PhialsBasement/KoboldCPP-MCP-Server/
generic

SSRF via apiUrl in PhialsBasement/KoboldCPP-MCP-Server · Issue #3 · PhialsBasement/KoboldCPP-MCP-Server · GitHub

https://github.com/PhialsBasement/KoboldCPP-MCP-Server/issues/3

Vendor Advisories for CVE-2026-19373(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 14× in last 7d / 58× 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 132 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-19373?
CVE-2026-19373 is a medium vulnerability published on August 9, 2026. A weakness has been identified in PhialsBasement KoboldCPP-MCP-Server 1.0.0. Affected by this issue is the function makeRequest of the file src/index.ts of the component BaseConfigSchema. Executing a manipulation of the argument apiUrl can lead to server-side request forgery. It is possible to…
When was CVE-2026-19373 disclosed?
CVE-2026-19373 was first published on August 9, 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-2026-19373 actively exploited?
CVE-2026-19373 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (3rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19373?
CVE-2026-19373 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19373?
No fix for CVE-2026-19373 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-2026-19373 are linked in the Vendor Advisories panel on this page.

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