Vulnerability Database
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All ecosystems
2202246
AlmaLinux
5928
Alpaquita
15755
Alpine
4608
Android
3677
Azure Linux
17638
BellSoft Hardened Containers
746
Bitnami
9292
Chainguard
1025208
CleanStart
3846
CRAN
14
crates.io
2734
Debian
68402
Echo
7449
GHC
3
GIT
108202
GitHub Actions
55
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9243
Hackage
32
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364
Julia
1713
Linux
29974
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6231
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7044
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144515
npm
228783
NuGet
1869
opam
29
openEuler
8800
openSUSE
14455
OSS-Fuzz
4013
Packagist
7095
Pub
11
PyPI
25172
Red Hat
23355
Rocky Linux
4300
Root
19561
RubyGems
5326
SUSE
23214
SwiftURL
60
TuxCare
9559
Ubuntu
65386
VSCode
21
Wolfi
288564
ID
Packages
Summary
Published
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Attributes
MAL-2026-15566
PyPI/flask-header-guard
Malicious code in flask-header-guard (PyPI)
29 Aug
No fix available
PYSEC-2026-3466
PyPI/flask-reuploaded
Flask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)
23 Jul
Fix available
Severity - 7.5 (High)
GHSA-937x-gpqr-72gg
PyPI/flask-reuploaded
Flask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)
17 Jul
Fix available
Severity - 7.5 (High)
PYSEC-2026-2478
PyPI/flask-security-too
Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance
13 Jul
Fix available
GHSA-f66q-9rf6-8795
PyPI/flask-security-too
Flask-Security-Too: WebAuthn reauthentication freshness bypass via cross-user assertion
07 Jul
No fix available
Severity - 5.3 (Medium)
PYSEC-2026-1378
PyPI/flask-appbuilder
Flask App Builder has an Authentication Bypass vulnerability when using non AUTH_DB methods
07 Jul
Fix available
Severity - 6.5 (Medium)
PYSEC-2026-1379
PyPI/flask-appbuilder
Flask-AppBuilder open redirect vulnerability using HTTP host injection
07 Jul
Fix available
Severity - 4.3 (Medium)
PYSEC-2026-1377
PyPI/flask
Flask uses fallback key instead of current signing key
07 Jul
Fix available
Severity - 1.8 (Low)
PYSEC-2026-1385
PyPI/flask-cors
Flask-CORS allows for inconsistent CORS matching
07 Jul
Fix available
Severity - 5.3 (Medium)
PYSEC-2026-1384
PyPI/flask-cors
Flask-CORS improper regex path matching vulnerability
07 Jul
Fix available
Severity - 4.3 (Medium)
PYSEC-2026-1383
PyPI/flask-cors
Flask-CORS vulnerable to Improper Handling of Case Sensitivity
07 Jul
Fix available
Severity - 5.3 (Medium)
PYSEC-2026-1382
PyPI/flask-appbuilder
Flask-AppBuilder's login form allows browser to cache sensitive fields
07 Jul
Fix available
Severity - 4.8 (Medium)
PYSEC-2026-1381
PyPI/flask-appbuilder
Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)
07 Jul
Fix available
Severity - 4.3 (Medium)
PYSEC-2026-1380
PyPI/flask-appbuilder
Flask-AppBuilder Has No Rate Limiting on Login AUTH DB
07 Jul
Fix available
Severity - 7.5 (High)
PYSEC-2026-809
PyPI/flask-security
Flask-Security vulnerable to Open Redirect
07 Jul
Fix available
Severity - 6.1 (Medium)
PYSEC-2026-635
PyPI/flask-appbuilder
Open Redirect in Flask-AppBuilder
02 Jul
Fix available
Severity - 6.1 (Medium)
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PyPI - OSV