Vendor
Symfony vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 39 vulnerabilities in Symfony: 0 in the last 7 days and 39 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-49216, was published on 17 July 2026. 5 technologies have a page of their own.
- Last 7 days
- 0
- Last 90 days
- 39
- Critical, all time
- 0
- Exploited in the wild
- 0
About Symfony
A software project and organization focused on PHP development and the Symfony framework.
Symfony technologies
Latest Symfony vulnerabilities
- CVE-2026-49216: Symfony UX Autocomplete XSS via unescaped AJAX response datamediumCVSS 5.1
- CVE-2026-49215: Symfony UX LiveComponent CSRF in LiveAction invocationslowCVSS 2.1
- CVE-2026-49212: Symfony UX insufficient verification of data authenticity in LiveComponentlowCVSS 2.3
- CVE-2026-49211: Symfony UX Autocomplete information exposure via unescaped LIKE wildcardsmediumCVSS 6.3
- CVE-2026-49210: Symfony UX LiveComponent XSS via unvalidated child component tagmediumCVSS 5.1
- CVE-2026-49209: Symfony UX LiveComponent denial of service in BatchActionControllerlowCVSS 1.3
- CVE-2026-49208: Symfony UX LiveComponent improper input validation in date hydrationmediumCVSS 6.9
- CVE-2026-46644: Symfony Polyfill improper validation of Punycode labels in Intl-IdnlowCVSS 2.7
- CVE-2026-48784: Symfony Routing improper dot-segment encoding in UrlGeneratormediumCVSS 6.9
- CVE-2026-48761: Symfony HtmlSanitizer XSS via incomplete URL attribute sanitizationmediumCVSS 5.3
- CVE-2026-48760: Symfony HtmlSanitizer visual spoofing via percent-encoded BiDi charactersmediumCVSS 0
- CVE-2026-48747: Symfony Mailomat Mailer signature algorithm downgrade in webhook parsermediumCVSS 0
- CVE-2026-48736: Symfony SSRF bypass in NoPrivateNetworkHttpClient and IpUtilsmediumCVSS 6.3
- CVE-2026-48489: Symfony firewall bypass via failure_forward subrequest in security-httphighCVSS 0
- CVE-2026-47212: Symfony Twilio Notifier signature verification bypass in TwilioRequestParsermediumCVSS 4.6
- CVE-2026-45071: Symfony DomCrawler XXE in addXmlContentlowCVSS 1.3
- CVE-2026-45068: Symfony Mailer argument injection in SendmailTransportmediumCVSS 6.2
- CVE-2026-47767: Symfony Runtime environment variable manipulation via query string bypassmediumCVSS 6.9
- CVE-2026-45755: Symfony Mailtrap mailer bridge signature bypass in MailtrapRequestParsermediumCVSS 6.6
- CVE-2026-45754: Symfony missing webhook secret verification in Mailjet and LOX24 bridgesmediumCVSS 6.6
- CVE-2026-45753: Symfony HtmlSanitizer XSS via incomplete URL attribute listlowCVSS 1.2
- CVE-2026-45305: Symfony Yaml ReDoS in Parser cleanuplowCVSS 2.7
- CVE-2026-45304: Symfony Yaml denial of service via recursive alias expansionlowCVSS 2.7
- CVE-2026-45133: Symfony Yaml uncontrolled recursion in parserlowCVSS 2.7
- CVE-2026-45075: Symfony authorization bypass via HEAD requests in security attributesmediumCVSS 6.2
Most severe Symfony vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-45063: Symfony X509Authenticator authentication bypass via spoofinghighCVSS 8.7
- CVE-2026-45077: Symfony MonologBridge PHP deserialization in server:log listenerhighCVSS 8.1
- CVE-2026-55878: Symfony UX Toolkit path traversal in ux:install commandhighCVSS 7.8
- CVE-2026-45067: Symfony Mime CRLF injection in Address constructorhighCVSS 7.1
- CVE-2026-48489: Symfony firewall bypass via failure_forward subrequest in security-httphighCVSS 0
- CVE-2026-49208: Symfony UX LiveComponent improper input validation in date hydrationmediumCVSS 6.9
- CVE-2026-48784: Symfony Routing improper dot-segment encoding in UrlGeneratormediumCVSS 6.9
- CVE-2026-47767: Symfony Runtime environment variable manipulation via query string bypassmediumCVSS 6.9
- CVE-2026-45064: Symfony HtmlSanitizer visual spoofing via BiDi override charactersmediumCVSS 6.9
- CVE-2026-45755: Symfony Mailtrap mailer bridge signature bypass in MailtrapRequestParsermediumCVSS 6.6
Vulnerabilities per week
The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 29 Jun 2026 | 0 | 0 | |
| 6 Jul 2026 | 2 | 0 | |
| 13 Jul 2026 | 37 | 0 | |
| 20 Jul 2026 | 0 | 0 | |
| 27 Jul 2026 | 0 | 0 | |
| 3 Aug 2026 | 0 | 0 | |
| 10 Aug 2026 | 0 | 0 | |
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 |
How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/vendors/symfony.json, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Symfony vulnerabilities", https://junglewise.ai/threats/vendors/symfony, 26 September 2026.