Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-52816

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook (ipynb) sanitizer endpoint at POST /-/api/sanitize_ipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting (XSS). The endpoint uses bluemonday.UGCPolicy() with p.AllowURLSchemes("data") which permits all data URI schemes including data:text/html, enabling attackers to inject malicious HTML/JavaScript. Additionally, the endpoint has no authentication middleware,
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:744b789b6b3270eee4401f49afd28fc93b429d74f22113b6f2467949b32a61a2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"gogs","vendor":"gogs","versions":[{"status":"affected","version":"< 0.14.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.4,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-80","description":"CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/gogs/gogs/commit/dd1bd9837aa196b3ed3a8ee21e5727b5d7a986a3","tags":["x_refsource_MISC"],"url":"https://github.com/gogs/gogs/commit/dd1bd9837aa196b3ed3a8ee21e5727b5d7a986a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/references/2
{"name":"https://github.com/gogs/gogs/pull/8326","tags":["x_refsource_MISC"],"url":"https://github.com/gogs/gogs/pull/8326"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/references/1
{"name":"https://github.com/gogs/gogs/releases/tag/v0.14.3","tags":["x_refsource_MISC"],"url":"https://github.com/gogs/gogs/releases/tag/v0.14.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/references/3
{"name":"https://github.com/gogs/gogs/security/advisories/GHSA-3w28-36p9-w929","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gogs/gogs/security/advisories/GHSA-3w28-36p9-w929"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/gogs/gogs/security/advisories/GHSA-3w28-36p9-w929"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b875bc19c77de67d37cb6ec92f54eabd9a159ba49a860dcbf78bcce80758384f · sha256:73f57e153179dd03… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer