EUVD-2026-67581
GHSA-2r3q-w7g9-8rpr
Severity by source
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network vector with high complexity (redirect control required), user interaction mandatory, no privileges needed; credentials and repo write access both fully compromised.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
gitoxide versions from 0.25.4 contain an HTTP credential leak vulnerability in the curl-based transport backend where credentials are sent to attacker-controlled servers after HTTP redirects. The vulnerability occurs because credential validation checks the original URL instead of the effective URL after redirect, allowing attackers to steal authentication tokens through cross-domain redirects or HTTPS-to-HTTP downgrades.
AnalysisAI
Credential theft in gitoxide's curl-based HTTP transport backend allows attackers to capture authentication tokens (passwords, OAuth tokens) by exploiting a URL validation flaw during HTTP redirects. Affected are gitoxide versions 0.25.4 through 0.55.0 using the curl backend; the reqwest backend implements correct cross-domain redirect blocking and is not affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires all of the following: the victim must be using gitoxide with the curl transport backend specifically (not the reqwest backend, which is unaffected); the victim must have HTTP credentials configured for the target repository (password, token, or other HTTP auth); the victim must initiate a git operation (clone, fetch, push) against a server the attacker can influence to return a 302 redirect; and the attacker must control or be able to serve responses from the redirect target. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.6 with AV:N/AC:H/AT:P/PR:N/UI:P reflects a real but conditional threat. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade gix-transport to version 0.56.0, which contains the fix for this credential validation logic. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems using gitoxide versions 0.25.4-0.55.0 with the curl backend. …
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Command injection in the gitoxide Rust library (gix-submodule crate before 0.82.0, gix before 0.83.0) allows attackers c
Denial-of-service in gitoxide's gix-pack crate before 0.69.0 exposes Rust Git clients to remote process crashes during c
Path traversal and trust inheritance flaws in gitoxide's Rust crates gix (≤ 0.72.0) and gix-validate (≤ 0.10.0) allow an
Symlink following in gitoxide before 0.52.1 and the gix crate before 0.83.0 allows an attacker who supplies a malicious
Path traversal in gitoxide before 0.52.1 and gix before 0.83.0 allows an attacker who supplies a malicious git repositor
Credential exfiltration in gitoxide's gix-transport crate allows a server controlling an HTTP redirect response to steal
Index-out-of-bounds panic in gitoxide's gix-packetline library (versions before 0.21.5) allows a malicious Git server to
Arbitrary file write outside the worktree boundary in gix-worktree-state (part of gitoxide) before 0.33.0 on Windows ena
Credential hijacking in gitoxide before 0.38.2 allows remote attackers to redirect credential helper lookups to attacker
Same weakness CWE-522 – Insufficiently Protected Credentials
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today