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T-43M
01
Record
STATE: —
02
Description
SRC: CNA
03
Metadata
SCHEMA: CVE JSON 5
04
Affected products
PAIRS: —
05
References
REFS: —
01
Record
STATE: PUBLISHED
CVE-2026-53424
Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions
Critical
PUBLISHED
CNA: EEF
Base score
9.1
CVSS v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
View raw JSON
CVE Program record
02
Description
CNA: EEF
Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions
03
Metadata
SCHEMA: 5.2
Published
2026-08-20 17:27Z
1 DAY AGO
Last updated
2026-08-21 19:42Z
5 HR AGO
Reserved
2026-06-09
Assigning CNA
EEF
Record state
PUBLISHED
Severity
Critical (CVSS 9.1)
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weaknesses
CWE-294
Authentication Bypass by Capture-replay
Base
SSVC decision
Exploitation
none
Automatable
yes
Technical Impact
total
Data version
5.2
Document digest
fe6f85fa2dc9407f2589a7fb8bcc2753fbf8e09316b0e2d1dbc7406e68b9c8a5
04
Affected products
PAIRS: 2
Vendor
Product
Versions
Platforms
dropbox
samly
0.3.0 to < *, 8a5bb1b4a4753d05470da2036323477f63cfdf4c to < *
—
handnot2
samly
8a5bb1b4a4753d05470da2036323477f63cfdf4c to < *
—
05
References
REFS: 2
cna.erlef.org
https://cna.erlef.org/cves/CVE-2026-53424.html
related
third-party-advisory
osv.dev
https://osv.dev/vulnerability/EEF-CVE-2026-53424
related