Siemens Simcenter Nastran 2406.5000 stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.80

Summaryinfo

A vulnerability described as critical has been identified in Siemens Simcenter Nastran. The impacted element is an unknown function. Executing a manipulation can lead to stack-based overflow. This vulnerability is registered as CVE-2026-59086. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Siemens Simcenter Nastran and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2026-59086 since 07/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/11/2026).

Upgrading to version 2606 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Simcenter Nastran 2606

Timelineinfo

07/02/2026 CVE reserved
08/11/2026 +40 days Advisory disclosed
08/11/2026 +0 days VulDB entry created
08/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: cert-portal.siemens.com
Status: Confirmed

CVE: CVE-2026-59086 (🔒)
GCVE (CVE): GCVE-0-2026-59086
GCVE (VulDB): GCVE-100-388120

Entryinfo

Created: 08/11/2026 14:52
Changes: 08/11/2026 14:52 (53)
Complete: 🔍
Cache ID: 216::103

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