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CVE-2026-13543

MEDIUM Exploitation: PoC
5.6
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-13543
State
PUBLISHED
Assigner
VulDB
Reserved
2026-06-28 10:11 UTC
Published
2026-06-29 06:30 UTC
Last updated
2026-06-29 10:55 UTC
Primary CWE
CWE-287
Improper Authentication
Vendor / Product
n/a / Documenso
Sources
cve.org  ·  NVD

Severity & Metrics

5.6 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
n/a Documenso — 2.0, 2.1, 2.2, 2.3 …
Weakness (CWE)
CWESourceDescription
CWE-287 cna Improper Authentication
CVSS scores (4)
ScoreSeverityVersionSourceVector
6.3 MEDIUM 4.0 cna 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
5.6 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.6 MEDIUM 3.0 cna CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.1 N/D 2.0 cna AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
References (7)
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