CVE-2026-59086
Simcenter Nastran Stack Overflow Vulnerability
Description
A vulnerability has been identified in Simcenter Femap (All versions < V2606), Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process.
INFO
Published Date :
Aug. 11, 2026, 1:19 p.m.
Last Modified :
Aug. 28, 2026, 7:03 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-59086
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Simcenter Nastran to version V2606 or later.
- Apply vendor-provided patches when available.
- Validate successful update installation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-59086.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/html/ssa-069220.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-59086 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-59086
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-59086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-59086 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 13, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'Siemens', 'product': 'Simcenter Nastran', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V2606', 'versionType': 'custom'}], 'defaultStatus': 'unknown'}] [{'vendor': 'Siemens', 'product': 'Simcenter Femap', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V2606', 'versionType': 'custom'}], 'defaultStatus': 'unknown'}, {'vendor': 'Siemens', 'product': 'Simcenter Nastran', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V2606', 'versionType': 'custom'}], 'defaultStatus': 'unknown'}] Changed Description A vulnerability has been identified in Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process. A vulnerability has been identified in Simcenter Femap (All versions < V2606), Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 11, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-59086', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-11T14:49:43.272762Z'} -
New CVE Received by [email protected]
Aug. 11, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Siemens', 'product': 'Simcenter Nastran', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V2606', 'versionType': 'custom'}], 'defaultStatus': 'unknown'}] Added Description A vulnerability has been identified in Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process. Added CVSS V4.0 AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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 Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-121 Added Reference https://cert-portal.siemens.com/productcert/html/ssa-069220.html