PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x…
Priority MEDIUM 47CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.
Why it matters now
EPSS 0.02675 85th percentileScored 2026-11-07
Fix Fixed typo3/phar-stream-wrapper (Packagist): 2.1.1, 3.1.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | typo3/phar-stream-wrapper (Packagist) | 2.0.0 to before 2.1.1 | 2.1.1 | Patch available | GHSA-3hxw-g85p-qgxm |
| — | typo3/phar-stream-wrapper (Packagist) | 3.0.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-3hxw-g85p-qgxm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- typo3/phar-stream-wrapper (Packagist) Vendor— Affected 2.0.0 to before 2.1.1 Fixed in 2.1.1 Patch available GHSA-3hxw-g85p-qgxm
- typo3/phar-stream-wrapper (Packagist) Vendor— Affected 3.0.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-3hxw-g85p-qgxm
Remediation
- Fix · GHSA-3hxw-g85p-qgxm typo3/phar-stream-wrapper (Packagist) Fixed in 2.1.1 Advisory →
- Fix · GHSA-3hxw-g85p-qgxm typo3/phar-stream-wrapper (Packagist) Fixed in 3.1.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11830
- 2026-10-03 Alias added: GHSA-3hxw-g85p-qgxm
References
Advisory 7
Other 6
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/phar-stream-wrapper/CVE-2019-11830.yaml
- https://github.com/TYPO3/phar-stream-wrapper
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523
- https://typo3.org/security/advisory/typo3-psa-2019-008
More TYPO3 Pharstreamwrapper vulnerabilities
- TI-2019-08867 The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-11830 · CVE Program
- CVE-2019-11830 · NVD
- FIRST EPSS
- GHSA-3hxw-g85p-qgxm · GitHub Advisory Database · CC BY 4.0
- CVE-2019-11830 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences