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CVE-2026-52796

LOW
3.5
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-52796
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-08 18:02 UTC
Published
2026-06-24 20:13 UTC
Last updated
2026-06-24 20:13 UTC
Primary CWE
CWE-1336
CWE-1336: Improper Neutralization of Special Elements Used i…
Vendor / Product
gogs / gogs
Sources
cve.org  ·  NVD

Severity & Metrics

3.5 LOW CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Affected products (1)
VendorProductPlatformVersions
gogs gogs — < 0.14.3
Weakness (CWE)
CWESourceDescription
CWE-1336 cna CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine
CVSS scores (1)
ScoreSeverityVersionSourceVector
3.5 LOW 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
References (1)
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