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The vulnerability of the base64.b64decode() function in the Python programming language interpreter (CPython) allows a attacker to compromise the integrity of protected information.

🗓️ 15 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

The base64 decoding vulnerability in Python's interpreter allows data integrity compromise due to insufficient validation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2026-3446
10 Apr 202618:17
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amazon
Medium: python3.9
7 Jul 202600:00
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circl
CVE-2026-3446
11 Apr 202602:35
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cnnvd
Python 安全漏洞
10 Apr 202600:00
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CVE-2026-3446
10 Apr 202618:17
cve
cvelist
CVE-2026-3446 Base64 decoding stops at first padded quad by default
10 Apr 202618:17
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debiancve
CVE-2026-3446
10 Apr 202618:17
debiancve
euvd
EUVD-2026-21545
10 Apr 202621:31
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CVE-2026-3446
10 Apr 202619:16
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opensuse
python310-3.10.20-5.1 on GA media (moderate)
20 Apr 202600:00
opensuse
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Vulners
Node
OR
pythoncpythonRange<3.13.13
pythoncpythonRange3.14.03.14.4
pythoncpythonRange3.15.03.15.0a8

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15 Jul 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 24.9
CVSS 35.3
EPSS0.00188
2