CVE-2026-19970

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.0% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-08-20.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-17 01:15Z2 MO AGO

Last updated

2026-08-19 14:41Z2 MO AGO

Reserved

2026-08-16

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.2

Document digest

f1163e7ba0f8a3409f89036d21b08a3f0a739bf7f6f0c2264b2707f6fc5aea37

• vuldb.comVDB-391147 | Open Asset Import Library Assimp Node MDLLoader.cpp AddBonesToNodeGraph_3DGS_MDL7 heap-based overflowhttps://vuldb.com/vuln/391147vdb-entrytechnical-description
• vuldb.comVDB-391147 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/391147/ctisignaturepermissions-required
• vuldb.comCVE-2026-19970 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-19970third-party-advisory
• vuldb.comSubmit #873131 | Assimp commit 17c12da Heap-based Buffer Overflowhttps://vuldb.com/submit/873131third-party-advisory
• github.comhttps://github.com/assimp/assimp/issues/6632issue-tracking
• github.comhttps://github.com/user-attachments/files/27428677/poc.zipexploit