CVE-2026-19875

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-19. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
No patch confirmed yet.
generic

Security Bulletin: Unauthenticated Registration POST Endpoint Permits Admin Email Overwrite and Outbound Relay Abuse in Langflow

https://www.ibm.com/support/pages/node/7283810

Vendor Advisories for CVE-2026-19875(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 23× in last 7d / 113× 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 130 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19875?
CVE-2026-19875 is a high vulnerability published on August 19, 2026. IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.
When was CVE-2026-19875 disclosed?
CVE-2026-19875 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19875 actively exploited?
CVE-2026-19875 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.4% of all scored CVEs.
What is the CVSS score of CVE-2026-19875?
CVE-2026-19875 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-19875?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19875, 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.

Dependency Blast Radius

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