CVE-2026-19896

LOWPre-NVD 3.73.7
EchelonGraph scoreHIGH confidence

Score 3.7 from GitHub Security Advisory (severity: LOW) published 2026-08-15. a secondary CVSS source baseline 3.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
3.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.7Exploit: Elevated riskExposed: 0

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

A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

CVSS v3
3.7
EG Score
3.7(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity37% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 20, 2026

Vendor Advisories for CVE-2026-19896(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 17× in last 7d / 17× 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 13:02 UTCEG score recompute
  3. 2026-08-20 13:02 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-18 13:48 UTCEPSS rescore
  6. 2026-08-18 03:24 UTCEG score recompute
  7. 2026-08-18 03:24 UTCGHSA enrichment
  8. 2026-08-18 03:20 UTCNVD updateCVSS v4 → 2.9
  9. 2026-08-18 02:41 UTCEG score recompute
  10. 2026-08-18 02:41 UTCGHSA enrichment
  11. 2026-08-18 02:40 UTCMITRE cvelistV5CVSS v4 → 6.3
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-15 15:18 UTCEG score recompute
  15. 2026-08-15 15:17 UTCNVD updateCVSS v4 → 2.9
  16. 2026-08-15 14:23 UTCEG score recompute
  17. 2026-08-15 14:21 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-19896?
CVE-2026-19896 is a low vulnerability published on August 15, 2026. A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function buildsecretkey of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity…
When was CVE-2026-19896 disclosed?
CVE-2026-19896 was first published in the National Vulnerability Database on August 15, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19896 actively exploited?
CVE-2026-19896 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 76.4% of all scored CVEs.
What is the CVSS score of CVE-2026-19896?
CVE-2026-19896 has a CVSS v3 base score of 3.7 (NVD).
How do I remediate CVE-2026-19896?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19896, 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

Explore the affected products and dependency analysis for CVE-2026-19896

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