Search criteria
ⓘ
Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.
1 vulnerability by AntaresMugisho
CVE-2026-5559 (GCVE-0-2026-5559)
Vulnerability from cvelistv5 – Published: 2026-04-05 10:15 – Updated: 2026-04-06 16:19
VLAI?
Title
AntaresMugisho PyBlade AST Validation sandbox.py _is_safe_ast special elements used in a template engine
Summary
A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function _is_safe_ast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
CWE
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| AntaresMugisho | PyBlade |
Affected:
0.1.8-alpha
Affected: 0.1.9-alpha |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-5559",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-06T16:19:26.099230Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-06T16:19:35.483Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"AST Validation"
],
"product": "PyBlade",
"vendor": "AntaresMugisho",
"versions": [
{
"status": "affected",
"version": "0.1.8-alpha"
},
{
"status": "affected",
"version": "0.1.9-alpha"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "zhangxinyu06 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function _is_safe_ast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.5,
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1336",
"description": "Improper Neutralization of Special Elements Used in a Template Engine",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-791",
"description": "Incomplete Filtering of Special Elements",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-05T10:15:15.559Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-355329 | AntaresMugisho PyBlade AST Validation sandbox.py _is_safe_ast special elements used in a template engine",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/355329"
},
{
"name": "VDB-355329 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/355329/cti"
},
{
"name": "Submit #782904 | AntaresMugisho PyBlade v0.1.8-alpha through v0.2.0-alph Code Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/782904"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/AntaresMugisho/PyBlade/issues/1"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/AntaresMugisho/PyBlade/issues/1#issue-4086730906"
},
{
"tags": [
"product"
],
"url": "https://github.com/AntaresMugisho/PyBlade/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-04T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-04-04T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-04-04T15:59:40.000Z",
"value": "VulDB entry last update"
}
],
"title": "AntaresMugisho PyBlade AST Validation sandbox.py _is_safe_ast special elements used in a template engine"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-5559",
"datePublished": "2026-04-05T10:15:15.559Z",
"dateReserved": "2026-04-04T13:54:35.492Z",
"dateUpdated": "2026-04-06T16:19:35.483Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}