CVE-2021-26600
CVSS v3
9.8
CRITICAL
EPSS Score
5.6 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- impresscms/impresscmsPackagistall versions · fixed in 1.4.3
Description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
Technical details
- Published
- 2022-03-28
Frequently asked questions
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Same product first, then the same vendor advisory and the same publication week.