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4 vulnerabilities found for TinyWeb Server by Ritlabs
CVE-2026-12200 (GCVE-0-2026-12200)
Vulnerability from nvd – Published: 2026-06-15 00:15 – Updated: 2026-06-15 21:50
VLAI
Title
Ritlabs TinyWeb Server Header libeay32.dll.html stack-based overflow
Summary
A security vulnerability has been detected in Ritlabs TinyWeb Server up to 1.94 on Win32. This impacts an unknown function in the library libeay32.dll.html of the component Header Handler. The manipulation of the argument Authorization leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370842 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370842/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12200 | third-party-advisory |
| https://vuldb.com/submit/829894 | third-party-advisory |
| https://nathan2.com/posts/tinyweb/ | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ritlabs | TinyWeb Server |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16 Affected: 1.17 Affected: 1.18 Affected: 1.19 Affected: 1.20 Affected: 1.21 Affected: 1.22 Affected: 1.23 Affected: 1.24 Affected: 1.25 Affected: 1.26 Affected: 1.27 Affected: 1.28 Affected: 1.29 Affected: 1.30 Affected: 1.31 Affected: 1.32 Affected: 1.33 Affected: 1.34 Affected: 1.35 Affected: 1.36 Affected: 1.37 Affected: 1.38 Affected: 1.39 Affected: 1.40 Affected: 1.41 Affected: 1.42 Affected: 1.43 Affected: 1.44 Affected: 1.45 Affected: 1.46 Affected: 1.47 Affected: 1.48 Affected: 1.49 Affected: 1.50 Affected: 1.51 Affected: 1.52 Affected: 1.53 Affected: 1.54 Affected: 1.55 Affected: 1.56 Affected: 1.57 Affected: 1.58 Affected: 1.59 Affected: 1.60 Affected: 1.61 Affected: 1.62 Affected: 1.63 Affected: 1.64 Affected: 1.65 Affected: 1.66 Affected: 1.67 Affected: 1.68 Affected: 1.69 Affected: 1.70 Affected: 1.71 Affected: 1.72 Affected: 1.73 Affected: 1.74 Affected: 1.75 Affected: 1.76 Affected: 1.77 Affected: 1.78 Affected: 1.79 Affected: 1.80 Affected: 1.81 Affected: 1.82 Affected: 1.83 Affected: 1.84 Affected: 1.85 Affected: 1.86 Affected: 1.87 Affected: 1.88 Affected: 1.89 Affected: 1.90 Affected: 1.91 Affected: 1.92 Affected: 1.93 Affected: 1.94 cpe:2.3:a:ritlabs:tinyweb_server:*:*:*:*:*:*:*:* |
Credits
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CVE-2024-5193 (GCVE-0-2024-5193)
Vulnerability from nvd – Published: 2024-05-22 10:31 – Updated: 2026-01-05 19:02 X_Open Source
VLAI
Title
Ritlabs TinyWeb Server Request crlf injection
Summary
A security vulnerability has been detected in Ritlabs TinyWeb Server 1.94. This vulnerability affects unknown code of the component Request Handler. The manipulation with the input %0D%0A leads to crlf injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.99 is able to resolve this issue. The identifier of the patch is d49c3da6a97e950975b18626878f3ee1f082358e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.265830 | vdb-entrytechnical-descriptionmitigationpatch |
| https://vuldb.com/?ctiid.265830 | signaturepermissions-required |
| https://vuldb.com/?submit.333059 | third-party-advisory |
| https://github.com/DMCERTCE/CRLF_Tiny | exploit |
| https://github.com/maximmasiutin/TinyWeb/commit/d… | patch |
| https://github.com/maximmasiutin/TinyWeb/releases… | patch |
| https://www.masiutin.net/tinyweb-cve-2024-5193.html | mitigation |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Ritlabs | TinyWeb Server |
Affected:
1.94
Unaffected: 1.99 |
|
| ritlabs | tinyweb |
Affected:
1.94
cpe:2.3:a:ritlabs:tinyweb:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-12200 (GCVE-0-2026-12200)
Vulnerability from cvelistv5 – Published: 2026-06-15 00:15 – Updated: 2026-06-15 21:50
VLAI
Title
Ritlabs TinyWeb Server Header libeay32.dll.html stack-based overflow
Summary
A security vulnerability has been detected in Ritlabs TinyWeb Server up to 1.94 on Win32. This impacts an unknown function in the library libeay32.dll.html of the component Header Handler. The manipulation of the argument Authorization leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/370842 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/370842/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12200 | third-party-advisory |
| https://vuldb.com/submit/829894 | third-party-advisory |
| https://nathan2.com/posts/tinyweb/ | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ritlabs | TinyWeb Server |
Affected:
1.0
Affected: 1.1 Affected: 1.2 Affected: 1.3 Affected: 1.4 Affected: 1.5 Affected: 1.6 Affected: 1.7 Affected: 1.8 Affected: 1.9 Affected: 1.10 Affected: 1.11 Affected: 1.12 Affected: 1.13 Affected: 1.14 Affected: 1.15 Affected: 1.16 Affected: 1.17 Affected: 1.18 Affected: 1.19 Affected: 1.20 Affected: 1.21 Affected: 1.22 Affected: 1.23 Affected: 1.24 Affected: 1.25 Affected: 1.26 Affected: 1.27 Affected: 1.28 Affected: 1.29 Affected: 1.30 Affected: 1.31 Affected: 1.32 Affected: 1.33 Affected: 1.34 Affected: 1.35 Affected: 1.36 Affected: 1.37 Affected: 1.38 Affected: 1.39 Affected: 1.40 Affected: 1.41 Affected: 1.42 Affected: 1.43 Affected: 1.44 Affected: 1.45 Affected: 1.46 Affected: 1.47 Affected: 1.48 Affected: 1.49 Affected: 1.50 Affected: 1.51 Affected: 1.52 Affected: 1.53 Affected: 1.54 Affected: 1.55 Affected: 1.56 Affected: 1.57 Affected: 1.58 Affected: 1.59 Affected: 1.60 Affected: 1.61 Affected: 1.62 Affected: 1.63 Affected: 1.64 Affected: 1.65 Affected: 1.66 Affected: 1.67 Affected: 1.68 Affected: 1.69 Affected: 1.70 Affected: 1.71 Affected: 1.72 Affected: 1.73 Affected: 1.74 Affected: 1.75 Affected: 1.76 Affected: 1.77 Affected: 1.78 Affected: 1.79 Affected: 1.80 Affected: 1.81 Affected: 1.82 Affected: 1.83 Affected: 1.84 Affected: 1.85 Affected: 1.86 Affected: 1.87 Affected: 1.88 Affected: 1.89 Affected: 1.90 Affected: 1.91 Affected: 1.92 Affected: 1.93 Affected: 1.94 cpe:2.3:a:ritlabs:tinyweb_server:*:*:*:*:*:*:*:* |
Credits
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CVE-2024-5193 (GCVE-0-2024-5193)
Vulnerability from cvelistv5 – Published: 2024-05-22 10:31 – Updated: 2026-01-05 19:02 X_Open Source
VLAI
Title
Ritlabs TinyWeb Server Request crlf injection
Summary
A security vulnerability has been detected in Ritlabs TinyWeb Server 1.94. This vulnerability affects unknown code of the component Request Handler. The manipulation with the input %0D%0A leads to crlf injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.99 is able to resolve this issue. The identifier of the patch is d49c3da6a97e950975b18626878f3ee1f082358e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.265830 | vdb-entrytechnical-descriptionmitigationpatch |
| https://vuldb.com/?ctiid.265830 | signaturepermissions-required |
| https://vuldb.com/?submit.333059 | third-party-advisory |
| https://github.com/DMCERTCE/CRLF_Tiny | exploit |
| https://github.com/maximmasiutin/TinyWeb/commit/d… | patch |
| https://github.com/maximmasiutin/TinyWeb/releases… | patch |
| https://www.masiutin.net/tinyweb-cve-2024-5193.html | mitigation |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Ritlabs | TinyWeb Server |
Affected:
1.94
Unaffected: 1.99 |
|
| ritlabs | tinyweb |
Affected:
1.94
cpe:2.3:a:ritlabs:tinyweb:*:*:*:*:*:*:*:* |
Credits
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"mitigation",
"patch"
],
"url": "https://vuldb.com/?id.265830"
},
{
"name": "VDB-265830 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.265830"
},
{
"name": "Submit #333059 | Ritlabs TinyWeb Server 1.94 CRLF Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.333059"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/DMCERTCE/CRLF_Tiny"
},
{
"tags": [
"patch"
],
"url": "https://github.com/maximmasiutin/TinyWeb/commit/d49c3da6a97e950975b18626878f3ee1f082358e"
},
{
"tags": [
"patch"
],
"url": "https://github.com/maximmasiutin/TinyWeb/releases/tag/v1.99"
},
{
"tags": [
"mitigation"
],
"url": "https://www.masiutin.net/tinyweb-cve-2024-5193.html"
}
],
"tags": [
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2024-05-22T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2024-05-22T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-01-05T00:00:00.000Z",
"value": "Countermeasure disclosed"
},
{
"lang": "en",
"time": "2026-01-05T20:07:13.000Z",
"value": "VulDB entry last update"
}
],
"title": "Ritlabs TinyWeb Server Request crlf injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2024-5193",
"datePublished": "2024-05-22T10:31:04.297Z",
"dateReserved": "2024-05-22T05:12:12.895Z",
"dateUpdated": "2026-01-05T19:02:50.252Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}