CVE-2026-19955

LOWPre-NVD 3.53.5—
EchelonGraph scoreHIGH confidence

Score 3.5 from GitHub Security Advisory (severity: LOW) published 2026-08-16. a secondary CVSS source baseline 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
3.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.5Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in TrailDB 0.6. Impacted is the function tdb_open of the file /src/tdb.c of the component TOC Validation. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
3.5
EG Score
3.5(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity35% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 16, 2026

Last Modified

August 20, 2026

References (6)

Vendor Advisories for CVE-2026-19955(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 / 16× 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 13:00 UTCEG score recompute
  3. 2026-08-20 13:00 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 16:26 UTCEG score recompute
  6. 2026-08-19 16:26 UTCGHSA enrichment
  7. 2026-08-19 16:24 UTCNVD updateCVSS v4 → 2
  8. 2026-08-19 15:22 UTCMITRE cvelistV5CVSS v4 → 5.1
  9. 2026-08-19 15:20 UTCEG score recompute
  10. 2026-08-19 15:20 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 20:22 UTCEG score recompute
  14. 2026-08-16 20:21 UTCNVD updateCVSS v4 → 2
  15. 2026-08-16 20:07 UTCEG score recompute
  16. 2026-08-16 20:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19955?
CVE-2026-19955 is a low vulnerability published on August 16, 2026. A vulnerability was detected in TrailDB 0.6. Impacted is the function tdb_open of the file /src/tdb.c of the component TOC Validation. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of…
When was CVE-2026-19955 disclosed?
CVE-2026-19955 was first published in the National Vulnerability Database on August 16, 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-2026-19955 actively exploited?
CVE-2026-19955 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 78.0% of all scored CVEs.
What is the CVSS score of CVE-2026-19955?
CVE-2026-19955 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2026-19955?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19955, 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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