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WID-SEC-W-2026-0200
Vulnerability from csaf_certbund - Published: 2026-01-22 23:00 - Updated: 2026-02-08 23:00Summary
Gitea: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Gitea ist ein quelloffener Github-Klon.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme: - Linux
- Sonstiges
- UNIX
- Windows
Affected products
Known affected
2 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Open Source Gitea <1.25.4
Open Source / Gitea
|
<1.25.4 |
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
Affected products
Known affected
2 products, the same list as for
CVE-2026-0798
References
4 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Gitea ist ein quelloffener Github-Klon.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Gitea ausnutzen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-0200 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0200.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-0200 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0200"
},
{
"category": "external",
"summary": "Gitea Release Notes vom 2026-01-22",
"url": "https://blog.gitea.com/release-of-1.25.4"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2026:0403-1 vom 2026-02-09",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024084.html"
}
],
"source_lang": "en-US",
"title": "Gitea: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-02-08T23:00:00.000+00:00",
"generator": {
"date": "2026-02-09T09:47:45.860+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-0200",
"initial_release_date": "2026-01-22T23:00:00.000+00:00",
"revision_history": [
{
"date": "2026-01-22T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-01-25T23:00:00.000+00:00",
"number": "2",
"summary": "Referenz(en) aufgenommen: EUVD-2026-4270"
},
{
"date": "2026-02-08T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c1.25.4",
"product": {
"name": "Open Source Gitea \u003c1.25.4",
"product_id": "T050279"
}
},
{
"category": "product_version",
"name": "1.25.4",
"product": {
"name": "Open Source Gitea 1.25.4",
"product_id": "T050279-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:gitea:gitea:1.25.4"
}
}
}
],
"category": "product_name",
"name": "Gitea"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-0798",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-0798"
},
{
"cve": "CVE-2026-20736",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20736"
},
{
"cve": "CVE-2026-20750",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20750"
},
{
"cve": "CVE-2026-20800",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20800"
},
{
"cve": "CVE-2026-20883",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20883"
},
{
"cve": "CVE-2026-20888",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20888"
},
{
"cve": "CVE-2026-20897",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20897"
},
{
"cve": "CVE-2026-20904",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20904"
},
{
"cve": "CVE-2026-20912",
"product_status": {
"known_affected": [
"T002207",
"T050279"
]
},
"release_date": "2026-01-22T23:00:00.000+00:00",
"title": "CVE-2026-20912"
}
]
}
CVE-2026-0798 (GCVE-0-2026-0798)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 16:49
VLAI
EPSS
VEX
Title
Gitea Release Email Notifications Leak Private Repository Release Details After Access Revocation
Summary
Gitea may send release notification emails for private repositories to users whose access has been revoked. When a repository is changed from public to private, users who previously watched the repository may continue to receive release notifications, potentially disclosing release titles, tags, and content.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 16:47 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36319 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-0798",
"options": [
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"Exploitation": "none"
},
{
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},
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}
],
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"timestamp": "2026-01-23T16:47:54.364105Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-01-23T16:49:04.309Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Gitea Open Source Git Server",
"vendor": "Gitea",
"versions": [
{
"lessThanOrEqual": "1.25.3",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "spingARbor"
}
],
"descriptions": [
{
"lang": "en",
"value": "Gitea may send release notification emails for private repositories to users whose access has been revoked. When a repository is changed from public to private, users who previously watched the repository may continue to receive release notifications, potentially disclosing release titles, tags, and content."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284: Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-22T22:01:49.410Z",
"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"shortName": "Gitea"
},
"references": [
{
"name": "GitHub Security Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-f4wq-6ww5-m56p"
},
{
"name": "GitHub Pull Request #36319",
"tags": [
"patch"
],
"url": "https://github.com/go-gitea/gitea/pull/36319"
},
{
"name": "Gitea v1.25.4 Release",
"tags": [
"release-notes"
],
"url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"
},
{
"name": "Gitea v1.25.4 Release Blog Post",
"tags": [
"release-notes"
],
"url": "https://blog.gitea.com/release-of-1.25.4/"
}
],
"title": "Gitea Release Email Notifications Leak Private Repository Release Details After Access Revocation"
}
},
"cveMetadata": {
"assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
"assignerShortName": "Gitea",
"cveId": "CVE-2026-0798",
"datePublished": "2026-01-22T22:01:49.410Z",
"dateReserved": "2026-01-08T23:02:08.534Z",
"dateUpdated": "2026-01-23T16:49:04.309Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-20736 (GCVE-0-2026-20736)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check
Summary
Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 21:13 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36320 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20736 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432205 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
{
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"options": [
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},
{
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},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-23T21:13:08.431490Z",
"version": "2.0.3"
},
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}
}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-opc-rhel9",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
"defaultStatus": "unaffected",
"packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:openshift_pipelines:1"
],
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"packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
},
{
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"cpes": [
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],
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"packageName": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8",
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},
{
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"cpes": [
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],
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"packageName": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9",
"product": "OpenShift Pipelines",
"vendor": "Red Hat"
}
],
"datePublic": "2026-01-22T22:01:49.678Z",
"descriptions": [
{
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],
"metrics": [
{
"other": {
"content": {
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"value": "Important"
},
"type": "Red Hat severity rating"
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},
{
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"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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}
],
"problemTypes": [
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"descriptions": [
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"description": "Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"shortName": "redhat-SADP"
},
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2026-20736"
},
{
"name": "RHBZ#2432205",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432205"
},
{
"tags": [
"x_sadp-csaf-vex"
],
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20736.json"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-01-22T23:01:29.451Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-01-22T22:01:49.678Z",
"value": "Made public."
}
],
"title": "gitea: Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check",
"x_adpType": "supplier",
"x_generator": {
"engine": "sadp-cli 1.0.0"
}
}
],
"cna": {
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{
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"product": "Gitea Open Source Git Server",
"vendor": "Gitea",
"versions": [
{
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"status": "affected",
"version": "0",
"versionType": "semver"
}
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}
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"credits": [
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CVE-2026-20750 (GCVE-0-2026-20750)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
Summary
Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 21:12 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36318 | patch |
| https://github.com/go-gitea/gitea/pull/36373 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20750 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432216 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1
|
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CVE-2026-20800 (GCVE-0-2026-20800)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:54
VLAI
EPSS
VEX
Title
Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation
Summary
Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 21:11 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36339 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
Credits
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CVE-2026-20883 (GCVE-0-2026-20883)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:54
VLAI
EPSS
VEX
Title
Gitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure
Summary
Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private repository is revoked, they may still view issue titles and repository names through previously started stopwatches.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 21:11 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36340 | patch |
| https://github.com/go-gitea/gitea/pull/36368 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
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],
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}
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CVE-2026-20888 (GCVE-0-2026-20888)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:54
VLAI
EPSS
VEX
Title
Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)
Summary
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 21:09 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36341 | patch |
| https://github.com/go-gitea/gitea/pull/36356 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
Credits
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CVE-2026-20897 (GCVE-0-2026-20897)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)
Summary
Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 17:56 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36344 | patch |
| https://github.com/go-gitea/gitea/pull/36349 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20897 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432204 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1
|
Credits
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CVE-2026-20904 (GCVE-0-2026-20904)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-01-23 21:53
VLAI
EPSS
VEX
Title
Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes
Summary
Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 17:52 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36346 | patch |
| https://github.com/go-gitea/gitea/pull/36361 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
Credits
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"datePublished": "2026-01-22T22:01:51.762Z",
"dateReserved": "2026-01-08T23:02:37.537Z",
"dateUpdated": "2026-01-23T21:53:53.397Z",
"state": "PUBLISHED"
},
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CVE-2026-20912 (GCVE-0-2026-20912)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:01 – Updated: 2026-07-15 01:20
VLAI
EPSS
VEX
Title
Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
Summary
Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 17:51 UTC
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/36320 | patch |
| https://github.com/go-gitea/gitea/pull/36355 | patch |
| https://github.com/go-gitea/gitea/releases/tag/v1.25.4 | release-notes |
| https://blog.gitea.com/release-of-1.25.4/ | release-notes |
| https://access.redhat.com/security/cve/CVE-2026-20912 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2432219 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server |
Affected:
0 , ≤ 1.25.3
(semver)
|
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1
|
Credits
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{
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},
{
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"time": "2026-01-22T23:02:45.929Z",
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"title": "gitea: Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure",
"x_adpType": "supplier",
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"credits": [
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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