Threat Intelligence / CVE / CVE-2026-38165

CVE-2026-38165

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.2% (higher than 19.3% of all scored CVEs) · Priority 7.7/10 · Published 2026-08-17

As of 2026-08-18, CVE-2026-38165 is a CRITICAL-severity vulnerability, CVSS v3.1 9.8, EPSS 0.2% (19.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-38165 as of 2026-08-18; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

Last updated: 2026-08-18

What is CVE-2026-38165?

A Server-Side Template Injection (SSTI) vulnerability in the Velocity template engine configuration of xdocreport v0.9.2 to v2.2.0 allows attackers to execute arbitrary code via a crafted expression.

The record classifies CVE-2026-38165 under weakness class CWE-94. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. The identifier was first published 23 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST): 0.2% probability of exploitation in the next 30 days, higher than 19.3% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 7.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-08-17, last modified 2026-08-18

Is CVE-2026-38165 being exploited?

Weaponised exploit code for CVE-2026-38165 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 43 in the Threadlinqs vulnerability feed.

AT190510-Cuong/CVE-2026-38165-SSTI- (github)

Affected products and versions

No affected-product or package list has been recorded for CVE-2026-38165 in the tracked sources. The vendor advisory and the references below are the authoritative statement of what is affected.

How to fix CVE-2026-38165

No vendor patch reference has been recorded for CVE-2026-38165 in the tracked sources. Follow the references below for a fix, and treat any affected deployment as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-38165

No threat campaign in the Threadlinqs corpus currently references CVE-2026-38165, 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, NVD, public proof-of-concept repositories, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-18. This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2026-38165 are available via the Threadlinqs MCP server (Purple tier). View plans →

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