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vuln-cve/data/2026/52xxx/CVE-2026-52796.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-52796",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-08T18:02:19.731Z",
"datePublished": "2026-06-24T20:13:11.884Z",
"dateUpdated": "2026-06-25T20:10:28.834Z"
},
"containers": {
"cna": {
"title": "Gogs: DoS in rendering issue index pattern",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1336",
"lang": "en",
"description": "CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.5,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/gogs/gogs/security/advisories/GHSA-4j89-2c4f-44c6",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/gogs/gogs/security/advisories/GHSA-4j89-2c4f-44c6"
}
],
"affected": [
{
"vendor": "gogs",
"product": "gogs",
"versions": [
{
"version": "< 0.14.3",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-24T20:13:11.884Z"
},
"descriptions": [
{
"lang": "en",
"value": "Gogs is an open source self-hosted Git service. Prior to 0.14.3, specially crafted issue index pattern can cause a panic when rendering, resulting in denial of service. In internal/markup/markup.go, RenderIssueIndexPattern renders the issue index pattern to a link using com.Expand, which is not safe: when the configured pattern contains an opening brace { but no closing brace }, strings.Index(template, \"}\") returns -1 and the subsequent slice template[:-1] triggers a panic. Once such a pattern is set, any page in the affected repository that contains an issue index reference such as #1 becomes unavailable. This vulnerability is fixed in 0.14.3."
}
],
"source": {
"advisory": "GHSA-4j89-2c4f-44c6",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/gogs/gogs/security/advisories/GHSA-4j89-2c4f-44c6",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-25T20:10:04.777866Z",
"id": "CVE-2026-52796",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-25T20:10:28.834Z"
}
}
]
}
}