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PatchSiren cyber security CVE debrief

CVE-2026-49949 steipete CVE debrief

CVE-2026-49949 is a medium-severity credential forwarding vulnerability in CodexBar before version 0.33.0. An attacker can intercept sensitive credentials by redirecting credentialed provider requests to an unintended host, port, or plaintext HTTP destination.

Vendor
steipete
Product
CodexBar
CVSS
MEDIUM 6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-07-14
Advisory published
2026-06-11
Advisory updated
2026-07-14

Who should care

Users of CodexBar before version 0.33.0 should apply the patch to prevent credential interception.

Technical summary

The vulnerability exists in the shared ProviderHTTPClient transport of CodexBar, allowing network-adjacent attackers to issue cross-origin or HTTP-downgrade redirects. This can lead to the capture of sensitive credentials such as browser cookies, bearer tokens, or API keys.

Defensive priority

High

Recommended defensive actions

  • Upgrade CodexBar to version 0.33.0 or later.
  • Review and restrict redirects in the ProviderHTTPClient transport.
  • Monitor for suspicious activity and credential leaks.

Evidence notes

The CVE record was published on [cve-org](resourceLinkAnnotations.cve-org) and details can be found on [NVD](resourceLinkAnnotations.nvd). Additional information is available from [Vulncheck](resourceLinkAnnotations.ref-7).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49949 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49949

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49949 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49949

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.