CVE-2026-105849CWE-201CWE-862broken-access-control

CVE-2026-105849

High · published October 6, 2026

CVSS v3.1
8.3
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, users with ordinary read access to other authentication documents in a collection with useAPIKey enabled can obtain active API keys and exercise the target accounts' permissions until those keys are rotated or disabled. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

The record
Technical detail
CVSS v3.1
8.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
7.7 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00300 · 21.6th percentile
Weaknesses
CWE-201 · Insertion of Sensitive Information Into Sent Data; CWE-862 · Missing Authorization
Published
2026-10-06T21:17Z
Affected products (35)
ProductVersionsFixed in
payloadcms/payload≥ 3.0.0, < 3.90.03.90.0
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References (3)
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 16:09Z
    Payload: API key disclosure through ordinary document reads
    cvelistv5