SY
Product
symfony
by sensiolabs · last CVE Oct 15, 2026
92
CVEs
0
On KEV
9.8
Max CVSS
3
New 30D
Severity mix
Critical 11High 34Medium 36Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-45070
6.5
0%
Jul 14
Symfony: Email Header Injection via Non-Token Characters in Mime Parameter Names
Affected: before 5.4.52; 6.0.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2023-46733
6.5
1%
Nov 10
Symfony is a PHP framework for web and console applications and a set of reusable PHP components
Affected: 5.4.21 before 5.4.31; 6.2.7 before 6.3.8
CVE-2021-41270
6.5
1%
Nov 24
Symfony/Serializer handles serializing and deserializing data structures for Symfony, a PHP framework for web and console applications and a set of reusable PHP components
Affected: 4.1.0 before 4.4.35; 5.0.0 before 5.3.12
CVE-2021-41267
6.5
1%
Nov 24
Symfony/Http-Kernel is the HTTP kernel component for Symfony, a PHP framework for web and console applications and a set of reusable PHP components
Affected: 5.2.0 before 5.3.12
CVE-2017-16790
6.5
2%
Aug 6
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5
Affected: 2.7.0 through 2.7.37; 2.8.0 through 2.8.30; 3.2.0 through 3.2.13; 3.3.0 through 3.3.12
CVE-2018-14773
6.5
58%
Aug 3
An issue was discovered in Http Foundation in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0…
Affected: after 2.7.0 through 2.7.48; 2.8.0 through 2.8.43; 3.3.0 through 3.3.17; 3.4.0 through 3.4.13; 4.0.0 through 4.0.13; 4.1.0 through 4.1.2
CVE-2026-24739
6.3
0%
Jan 28
Symfony is a PHP framework for web and console applications and a set of reusable PHP components
Affected: before 5.4.51; 6.4.0 before 6.4.33; 7.3.0 before 7.3.11; 7.4.0 before 7.4.5; 8.0.0 before 8.0.5
CVE-2026-48761
6.1
0%
Jul 14
Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes on <object>, <applet>, <iframe>, <img> and the URL Inside <meta http-equiv="refresh"> content
Affected: 6.1.0 before 6.4.41; 7.0.0 before 7.4.13; 8.0.0 before 8.0.13
CVE-2026-48760
6.1
0%
Jul 14
Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense
Affected: 6.1.0 before 6.4.41; 7.0.0 before 7.4.13; 8.0.0 before 8.0.13
CVE-2026-48784
6.1
0%
Jul 14
Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization
Affected: before 5.4.53; 6.0.0 before 6.4.41; 7.0.0 before 7.4.13; 8.0.0 before 8.0.13
CVE-2026-45064
6.1
0%
Jul 14
Symfony: HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing
Affected: 6.1.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2026-45753
6.1
0%
Jul 14
Symfony: HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — javascript: URI Survives Sanitization (XSS)
Affected: 6.1.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2026-45066
6.1
0%
Jul 14
Symfony: HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification
Affected: 6.1.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2026-45065
6.1
0%
Jul 14
Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection
Affected: before 5.4.52; 6.0.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2024-50345
6.1
1%
Nov 6
symfony/http-foundation is a module for the Symphony PHP framework which defines an object-oriented layer for the HTTP specification
Affected: before 5.4.46; 6.0.0 before 6.4.14; 7.0.0 before 7.1.7
CVE-2023-46735
6.1
1%
Nov 10
Symfony is a PHP framework for web and console applications and a set of reusable PHP components
Affected: 6.0.0 before 6.3.8
CVE-2023-46734
6.1
1%
Nov 10
Symfony is a PHP framework for web and console applications and a set of reusable PHP components
Affected: 2.0.0 before 4.4.51; 5.0.0 before 5.4.31; 6.0.0 before 6.3.8
CVE-2013-4752
6.1
2%
Jan 2
Symfony 2.0.X before 2.0.24, 2.1.X before 2.1.12, 2.2.X before 2.2.5, and 2.3.X before 2.3.3 have an issue in the HttpFoundation component
Affected: 2.0.0 before 2.0.24; 2.1.0 before 2.1.12; 2.2.0 before 2.2.5; 2.3.0 before 2.3.3
CVE-2018-19790
6.1
1%
Dec 18
An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1
Affected: 2.7.0 before 2.7.50; 2.8.0 before 2.8.49; 3.0.0 before 3.4.20; 4.0.0 before 4.0.15; 4.1.0 before 4.1.9; 4.2.0 before 4.2.1
CVE-2017-18343
6.1
6%
Jul 20
The debug handler in Symfony before v2.7.33, 2.8.x before v2.8.26, 3.x before v3.2.13, and 3.3.x before v3.3.6 has XSS via an array key during exception pretty printing in…
Affected: before 2.7.33; 2.8.0 before 2.8.26; 3.0.0 before 3.2.13; 3.3.0 before 3.3.6
CVE-2018-12040
6.1
1%
Jun 13
Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the "file"…
Affected: 3.3.6
CVE-2018-11408
6.1
1%
Jun 13
The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an…
Affected: 2.7.0 before 2.7.48; 2.8.0 before 2.8.41; 3.3.0 before 3.3.17; 3.4.0 before 3.4.11; 4.0.0 before 4.0.11
CVE-2017-16652
6.1
1%
Jun 13
An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13
Affected: after 2.7.0 before 2.7.38; after 2.8.0 before 2.8.31; after 3.2.0 before 3.2.14; 3.3.0 before 3.3.13
CVE-2017-16653
5.9
1%
Aug 6
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5
Affected: 2.7.0 through 2.7.37; 3.2.0 through 3.2.13; 3.3.0 through 3.3.12; 3.8.0 through 3.8.30
CVE-2018-11386
5.9
2%
Jun 13
An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11
Affected: 2.7.0 before 2.7.48; 2.8.0 before 2.8.41; 3.3.0 before 3.3.17; 3.4.0 before 3.4.11; 4.0.0 before 4.0.11
CVE-2026-45072
5.4
0%
Jul 14
Symfony: Stored XSS in WebProfiler CodeExtension::fileExcerpt() — Unescaped Non-PHP File Rendering
Affected: 6.4.24 before 6.4.40; 7.2.9 before 7.4.12; 8.0.0 before 8.0.12
CVE-2020-5274
5.4
1%
Mar 30
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace
Affected: 4.4.0 before 4.4.4; 5.0.0 before 5.0.4
CVE-2019-10909
5.4
1%
May 16
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user…
Affected: 2.7.0 before 2.7.51; 2.8.0 before 2.8.50; 3.4.0 before 3.4.26; 4.1.0 before 4.1.12; 4.2.0 before 4.2.7
CVE-2026-48747
5.3
0%
Jul 14
Symfony: Mailomat Mailer Webhook Parser Reads the HMAC Algorithm from the Request: Signature Algorithm Downgrade
Affected: 7.2.0 before 7.4.13; 8.0.0 before 8.0.13
CVE-2026-47212
5.3
2%
Jul 14
Symfony: Twilio Notifier Webhook Parser Never Verifies the X-Twilio-Signature HMAC: Unauthenticated Webhook Event Injection
Affected: 6.4.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2026-45755
5.3
0%
Jul 14
Symfony: Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC — Unauthenticated Webhook Event Injection
Affected: 7.2.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2026-45754
5.3
0%
Jul 14
Symfony: Mailjet Mailer Webhook Parser Never Verifies the Configured Secret — Unauthenticated Webhook Event Injection
Affected: 6.4.0 before 6.4.40; 7.0.0 before 7.4.12; 8.0.0 before 8.0.12
CVE-2021-21424
5.3
2%
May 13
Symfony is a PHP framework for web and console applications and a set of reusable PHP components
Affected: 2.8.0 before 3.4.48; 4.0.0 before 4.4.23; 5.0.0 before 5.2.8
CVE-2019-18886
5.3
2%
Nov 21
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7
Affected: 4.2.0 through 4.2.11; 4.3.0 through 4.3.7
CVE-2018-19789
5.3
4%
Dec 18
An issue was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9, and 4.2.x before 4.2.1
Affected: 2.7.0 before 2.7.50; 2.8.0 before 2.8.49; 3.0.0 before 3.4.20; 4.0.0 before 4.0.15; 4.1.0 before 4.1.9; 4.2.0 before 4.2.1
CVE-2020-5255
4.3
1%
Mar 30
In Symfony before versions 4.4.7 and 5.0.7, when a `Response` does not contain a `Content-Type` header, affected versions of Symfony can fallback to the format defined in the…
Affected: 4.4.0 before 4.4.7; 5.0.0 before 5.0.7
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