What is CVE-2026-19955?
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.
The record classifies CVE-2026-19955 under weakness classes CWE-125, CWE-119. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 50 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 3.5 — LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS v4.0 base score
- 5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 21.8% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 2.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-08-16
Is CVE-2026-19955 being exploited?
It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.
Affected products and versions
- (vendor unspecified): TrailDB
How to fix CVE-2026-19955
No vendor patch reference has been recorded for CVE-2026-19955 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-19955
No threat campaign in the Threadlinqs corpus currently references CVE-2026-19955, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .