CVE-2026-82255Public exploitNetwork attack vectorHinoki check available

Credential theft via redirect URL validation

Published Aug 28, 2026 · Updated Aug 28, 2026

Credential exposure in GitoxideLabs gitoxide gix-transport 0.25.4 through 0.55.0 allows remote attackers to steal credentials via redirects. add_basic_auth_if_present() validates the original URL and attaches authorization data after swap_tails() rewrites a later request to the redirected host. A user or pipeline must initiate an authenticated HTTP(S) clone or fetch with the curl backend; the reqwest backend is unaffected.

CVSS severity7.6
High
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Credential exposure in GitoxideLabs gitoxide gix-transport 0.25.4 through 0.55.0 allows remote attackers to steal credentials via redirects. add_basic_auth_if_present() validates the original URL and attaches authorization data after swap_tails() rewrites a later request to the redirected host. A user or pipeline must initiate an authenticated HTTP(S) clone or fetch with the curl backend; the reqwest backend is unaffected.

The record

CVE
CVE-2026-82255
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
GitoxideLabs
Product
gitoxide
Classifications
CWE-522, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GitoxideLabs · gitoxideAffected versions are unavailable in this record.

Published CVSS scores

6.8GitHubCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
7.6VulnCheckCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-522Insufficiently Protected Credentials
T1557Adversary-in-the-Middle

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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