Low
Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication
Type: advisorySources: OSV
A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-13543
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 09:18 UTC · Revision 1
Source evidence
Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication
core-osv · Original sourcePublished 29 Jun 2026, 06:30 UTC
A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.
osv:CVE-2026-13543
Complete source record
{
"id": "91602619b1135ff98e79ecbe7c0a565a820eed85abd82b830dc0d7f9c56c2631",
"url": "https://osv.dev/vulnerability/CVE-2026-13543",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication",
"summary": "A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.",
"evidence": "osv:CVE-2026-13543",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-13543",
"aliases": [
"CVE-2026-13543"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/documenso/documenso",
"type": "GIT",
"events": [
{
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{
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"database_specific": {
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"source": "AFFECTED_FIELD",
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{
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"source": "AFFECTED_FIELD",
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"source": "AFFECTED_FIELD",
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},
{
"range": [
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
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{
"range": [
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"source": "AFFECTED_FIELD",
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},
{
"range": [
{
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},
{
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}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
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"2.1",
"2.10",
"2.11.0",
"2.2",
"2.3",
"2.4",
"2.5",
"2.6",
"2.7",
"2.8",
"2.9",
"v2.11.0",
"v2.10.1",
"v2.10.0",
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"v2.2.7",
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"v2.2.4",
"v2.2.3",
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"v2.2.0",
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"v2.0.4",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13543.json"
}
}
],
"modified": "2026-10-28T02:30:50.603439599Z",
"provider": "osv",
"references": [
"https://github.com/documenso/documenso/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13543.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-13543",
"https://vuldb.com/cve/CVE-2026-13543",
"https://vuldb.com/submit/842579",
"https://vuldb.com/vuln/374551",
"https://github.com/documenso/documenso/issues/2758",
"https://vuldb.com/vuln/374551/cti",
"https://github.com/documenso/documenso/pull/2837"
],
"provider_metadata": {
"cwe_ids": [
"CWE-287"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13543.json"
}
},
"related_cves": [
{
"value": "CVE-2026-13543",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518859,
"published_at": "2026-06-29T06:30:08.682+00:00"
}