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OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host

OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host

CVE-2026-54603Published 1 week agoUpdated 1 week agoSource: OSV

Affected packages

  • oauth20.4.0 → 2.0.22

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.27%
EPSS percentile
18.8%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 19%.

OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host | HackTribune