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Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runner-secret exfiltration
Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runner-secret exfiltration
Affected packages
- flyto-core— before 2.26.7
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.29%
- EPSS percentile
- 21.4%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 21%.
Sources
- https://github.com/flytohub/flyto-core/security/advisories/GHSA-jx74-cqjv-2c67
- https://nvd.nist.gov/vuln/detail/CVE-2026-67426
- https://github.com/flytohub/flyto-core/commit/0a0a528520ec18f5a21f1ddf858a71cc1edfb6e9
- https://github.com/flytohub/flyto-core
- https://github.com/flytohub/flyto-core/releases/tag/v2.26.7
- https://pypi.org/project/flyto-core
- https://github.com/advisories/GHSA-jx74-cqjv-2c67
Structured record: https://osv.dev/vulnerability/PYSEC-2026-3571
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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