TI-2026-30832 Aliases CVE-2026-42552 GHSA-qrch-52m5-vv85

Flight: Sensitive information disclosure via default error handler in flightphp/core

HIGH 72CWE-209Published 2026-05-13 · Updated 2026-05-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-209.

Summary

Flight is an extensible micro-framework for PHP. Prior to 3.18.1, the default error handler Engine::_error() writes the full exception message, exception code, and stack trace (including absolute filesystem paths) directly into the HTTP 500 response, with no debug gating. Production deployments leak internal paths, any secret interpolated into an exception message, and full module structure — giving attackers primitives for chaining other weaknesses (LFI, path traversal). This vulnerability is fixed in 3.18.1.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00335 27th percentileScored 2026-11-07

Fix Fixed core (flightphp): 3.18.1flightphp/core (Packagist): 3.18.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
flightphp	core	before 3.18.1	3.18.1	Patch available	CNA
—	flightphp/core (Packagist)	before 3.18.1	3.18.1	Patch available	GHSA-qrch-52m5-vv85

core Vendorflightphp Affected before 3.18.1 Fixed in 3.18.1 Patch available CNA
flightphp/core (Packagist) Vendor— Affected before 3.18.1 Fixed in 3.18.1 Patch available GHSA-qrch-52m5-vv85

Remediation

Fix · CNA core (flightphp) Fixed in 3.18.1
Fix · GHSA-qrch-52m5-vv85 flightphp/core (Packagist) Fixed in 3.18.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-42552
2026-10-03 Alias added: GHSA-qrch-52m5-vv85

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-42552

Other 4

TI-2026-30828 Flight: Reflected XSS via unvalidated JSONP callback in Flight::jsonp() CVSS 4.0HIGH 8.6
TI-2026-30830 Flight: SQL Injection via unvalidated identifiers in SimplePdo::insert / update / delete CVSS 3.1HIGH 8.8
TI-2026-30831 Flight: HTTP method override enabled by default enables CSRF escalation and middleware bypass in flightphp/core CVSS 3.1HIGH 7.5
TI-2014-08426 Denial of Service (DoS) vulnerability in mikecao/flight CVSS 3.1HIGH 7.5
TI-2026-30829 Flight: Path traversal in `make:controller` CLI creates arbitrary directories outside project root CVSS 3.1MEDIUM 4.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences