maximmasiutin TinyWeb up to 2.03 on Win32 process control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in maximmasiutin TinyWeb up to 2.03 on Win32 and classified as critical. This affects an unknown part. Executing a manipulation can lead to process control. This vulnerability appears as CVE-2026-29046. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in maximmasiutin TinyWeb up to 2.03 on Win32. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a process control vulnerability. The CWE definition for the vulnerability is CWE-114. Executing commands or loading libraries from an untrusted source or in an untrusted environment can cause an application to execute malicious commands (and payloads) on behalf of an attacker. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. Prior to version 2.04, TinyWeb accepts request header values and later maps them into CGI environment variables (HTTP_*). The parser did not strictly reject dangerous control characters in header lines and header values, including CR, LF, and NUL, and did not consistently defend against encoded forms such as %0d, %0a, and %00. This can enable header value confusion across parser boundaries and may create unsafe data in the CGI execution context. This issue has been patched in version 2.04.

The advisory is available at github.com. This vulnerability was named CVE-2026-29046 since 03/03/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2.04 eliminates this vulnerability. Applying the patch 53aa8b6e5146491d7be57920e3fc50d7a34e4d5a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Process control
CWE: CWE-114
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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: TinyWeb 2.04
Patch: 53aa8b6e5146491d7be57920e3fc50d7a34e4d5a

Timelineinfo

03/03/2026 CVE reserved
03/06/2026 +3 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/16/2026 +10 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-r3gf-pg2c-m7mc
Status: Confirmed

CVE: CVE-2026-29046 (🔒)
GCVE (CVE): GCVE-0-2026-29046
GCVE (VulDB): GCVE-100-349318

Entryinfo

Created: 03/06/2026 07:05
Updated: 03/16/2026 17:27
Changes: 03/06/2026 07:05 (69), 03/16/2026 17:27 (12)
Complete: 🔍
Cache ID: 216::103

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