CVE-2026-19340

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-08-09. A secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.3Exploit: 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 anubissbe ProjectHub-Mcp up to 5.0.0. This affects an unknown function of the file backend-fix/complete_backend.js of the component Webhooks API. This manipulation of the argument url causes server-side request forgery. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
44
EG Risk 44/100CISA 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
Severity63% × 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
0.4%
EPSS %ILE
31st
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 13, 2026

Advisory Details (2)

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

[BUG] SSRF via complete_backend.js Webhook URL in anubissbe/ProjectHub-Mcp · Issue #176 · anubissbe/ProjectHub-Mcp · GitHub

https://github.com/anubissbe/ProjectHub-Mcp/issues/176
generic

GitHub - anubissbe/ProjectHub-Mcp: 🚀 Enterprise-grade task management web interface with time tracking, workflow templates, dependency visualization, team collaboration, and analytics dashboard. Built with React, TypeScript, and PostgreSQL. · GitHub

https://github.com/anubissbe/ProjectHub-Mcp/

Vendor Advisories for CVE-2026-19340(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 / 66× 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 150 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-19340?
CVE-2026-19340 is a medium vulnerability published on August 9, 2026. A weakness has been identified in anubissbe ProjectHub-Mcp up to 5.0.0. This affects an unknown function of the file backend-fix/complete_backend.js of the component Webhooks API. This manipulation of the argument url causes server-side request forgery. Remote exploitation of the attack is…
When was CVE-2026-19340 disclosed?
CVE-2026-19340 was first published on August 9, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19340 actively exploited?
CVE-2026-19340 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19340?
CVE-2026-19340 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19340?
No fix for CVE-2026-19340 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-2026-19340 are linked in the Vendor Advisories panel on this page.

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