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Package details: pkg:composer/symfony/symfony@5.2.8
purl pkg:composer/symfony/symfony@5.2.8
Next non-vulnerable version 5.4.54
Latest non-vulnerable version 8.1.7
Risk score 3.9
Vulnerabilities affecting this package (28)
Advisory Summary Fixed in package version
GHSA-q3j3-w37x-hq2q
Aliases:
CVE-2021-41267
Webcache Poisoning in symfony/http-kernel Description ----------- When a Symfony application is running behind a proxy or a load-balancer, you can …
5.3.12
Vulnerable
GHSA-2xhg-w2g5-w95x
Aliases:
CVE-2021-41270
CSV Injection in symfony/serializer Description ----------- CSV Injection, also known as Formula Injection, occurs when websites embed untrusted input inside …
5.3.12
Vulnerable
GHSA-5pv8-ppvj-4h68
Aliases:
CVE-2021-21424
Prevent user enumeration using Guard or the new Authenticator-based Security Description ----------- The ability to enumerate users was possible without …
5.2.9
Vulnerable
GHSA-3rg7-wf37-54rm
Aliases:
CVE-2025-64500
Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass ### Description The `Request` class improperly interprets some `PATH_INFO` …
5.4.50
Vulnerable
GHSA-g3rh-rrhp-jhh9
Aliases:
CVE-2024-50343
Symfony has an incorrect response from Validator when input ends with `\n` ### Description It is possible to trick a …
5.4.43
Vulnerable
GHSA-qq5c-677p-737q
Aliases:
CVE-2024-51736
Symfony vulnerable to command execution hijack on Windows with Process class ### Description On Windows, when an executable file named …
5.4.46
Vulnerable
GHSA-9c3x-r3wp-mgxm
Aliases:
CVE-2024-50342
Symfony allows internal address and port enumeration by NoPrivateNetworkHttpClient ### Description When using the `NoPrivateNetworkHttpClient`, some internal information is still …
5.4.47
Vulnerable
GHSA-q847-2q57-wmr3
Aliases:
CVE-2023-46734
Symfony potential Cross-site Scripting vulnerabilities in CodeExtension filters ### Description Some Twig filters in CodeExtension use "is_safe=html" but don't actually …
5.4.31
Vulnerable
GHSA-3gv2-29qc-v67m
Aliases:
CVE-2022-24895
Symfony vulnerable to Session Fixation of CSRF tokens Description ----------- When authenticating users Symfony by default regenerates the session ID …
5.4.20
Vulnerable
GHSA-h7vf-5wrv-9fhv
Aliases:
CVE-2022-24894
Symfony storing cookie headers in HttpCache Description ----------- The Symfony HTTP cache system acts as a reverse proxy: it caches …
5.4.20
Vulnerable
GHSA-6h46-9jf5-q59x
Aliases:
CVE-2026-48489
Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes ### Description When a firewall is configured …
5.4.53
Vulnerable
GHSA-h5x3-xfc9-m39h
Aliases:
CVE-2026-48784
Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization …
5.4.53
Vulnerable
GHSA-x6g4-fwcc-jj8w
Aliases:
CVE-2026-45071
Symfony has XXE (Local File Disclosure) in DomCrawler::addXmlContent() via validateOnParse = true ### Description `symfony/dom-crawler` provides the `Crawler` class for …
5.4.52
Vulnerable
GHSA-vqc8-7275-q272
Aliases:
CVE-2026-45070
Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names ### Description `Symfony\Component\Mime\Header\ParameterizedHeader` (and the related parameter handling …
5.4.52
Vulnerable
GHSA-c2p3-7m5p-cv8x
Aliases:
CVE-2026-45133
Symfony hardened the parser when handling untrusted input ### Description `Symfony\Component\Yaml\Parser` is the entry point for parsing YAML strings into …
5.4.52
Vulnerable
GHSA-4qpc-3hr4-r2p4
Aliases:
CVE-2026-45304
Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs") ### Description `Symfony\Component\Yaml\Parser` resolves YAML aliases …
5.4.52
Vulnerable
GHSA-72xp-p242-47p9
Aliases:
CVE-2026-45065
Symfony has a UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection ### Description Symfony routes can …
5.4.52
Vulnerable
GHSA-qpmx-3rfj-7rhv
Aliases:
CVE-2026-45067
Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address ### Description `Symfony\Component\Mime\Address` is the value-object every Symfony …
5.4.52
Vulnerable
GHSA-xx3c-qf5g-hc39
Aliases:
CVE-2026-45068
Symfony has an Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address ### Description Symfony Mailer selects a transport via the …
5.4.52
Vulnerable
GHSA-m7v2-7gxm-vc2v
Aliases:
CVE-2026-45077
Symfony has Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener ### Description `Symfony\Bridge\Monolog\Command\ServerLogCommand` (the `server:log` console command) is a development-time …
5.4.52
Vulnerable
GHSA-6qh9-h6wf-jgqc
Aliases:
CVE-2026-45073
Symfony Vulnerable to SQL Injection in PdoAdapter::doClear() via Unsanitized $prefix ### Description `Symfony\Component\Cache\Adapter\PdoAdapter` is the PDO-backed cache adapter. Its `clear($prefix)` …
5.4.52
Vulnerable
GHSA-9frc-8383-795m
Aliases:
CVE-2026-45305
Symfony's YAML Parser has a ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex ### Description `Symfony\Component\Yaml\Parser::cleanup()` strips the optional `%YAML` directive …
5.4.52
Vulnerable
GHSA-ph86-p8f6-f9r2
Aliases:
CVE-2026-45063
Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator ### Description `X509Authenticator` implements client-certificate (mTLS) authentication: the web …
5.4.52
Vulnerable
GHSA-r39x-jcww-82v6
Aliases:
CVE-2026-24739
Symfony's incorrect argument escaping under MSYS2/Git Bash can lead to destructive file operations on Windows ### Summary The Symfony Process …
5.4.51
Vulnerable
CVE-2024-50345
Aliases:
GHSA-mrqx-rp3w-jpjp
Symfony vulnerable to open redirect via browser-sanitized URLs The `Request` class, does not parse URI with special characters the same …
5.4.46
Vulnerable
6.4.14
Vulnerable
7.1.7
Vulnerable
5.4.46
Vulnerable
6.4.14
Vulnerable
7.1.7
Vulnerable
CVE-2022-23601
Aliases:
GHSA-vvmr-8829-6whx
Cross-Site Request Forgery (CSRF) Symfony is a PHP framework for web and console applications and a set of reusable PHP …
5.4.4
Vulnerable
5.3.15
Vulnerable
6.0.4
Vulnerable
5.4.4
Vulnerable
5.3.15
Vulnerable
6.0.4
Vulnerable
GHSA-2v3c-qxhr-7vpv
Aliases:
CVE-2026-109413
Symfony: Unbounded Recursion in the YAML Inline Lexer Lets a Single Document Crash the Process ### Description `Yaml\Parser::lexInlineStructure()` recursed through …
5.4.54
Not vulnerable
GHSA-r925-mgvr-h9cc
Aliases:
CVE-2026-108082
Symfony: ReDoS in HeaderUtils::split() Reachable Through the Cache-Control Request Header ### Description `HeaderUtils::split()` parsed header values with a pattern whose …
5.4.54
Not vulnerable
Vulnerabilities fixed by this package (2)

Advisory Summary Aliases
GHSA-g2qj-pmxm-9f8f
User enumeration in authentication mechanisms Description ----------- The ability to enumerate users was possible without relevant permissions due to different … GMS-2021-131
CVE-2021-21424
Information Exposure Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The … GHSA-5pv8-ppvj-4h68