HIGHPyPI →
fast-mcp-telegram: Bearer token path traversal bypasses reserved Telegram session protection
fast-mcp-telegram: Bearer token path traversal bypasses reserved Telegram session protection
Affected packages
- fast-mcp-telegram— before 0.19.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/leshchenko1979/fast-mcp-telegram/security/advisories/GHSA-rxw2-pc8j-vxwm
- https://nvd.nist.gov/vuln/detail/CVE-2026-52830
- https://github.com/alexeyleshchenko/fast-mcp-telegram
- https://github.com/pypa/advisory-database/tree/main/vulns/fast-mcp-telegram/PYSEC-2026-2473.yaml
- https://pypi.org/project/fast-mcp-telegram
- https://web.archive.org/web/20250926152207/https://github.com/leshchenko1979/fast-mcp-telegram
Structured record: https://osv.dev/vulnerability/GHSA-rxw2-pc8j-vxwm
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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