Information Exposure The advisory has been revoked - it doesn't affect any version of package trustee-kbs (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-TRUSTEEKBS-17666940
- published29 Jun 2026
- disclosed29 Apr 2026
Introduced: 29 Apr 2026
CVE-2026-6253 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream trustee-kbs package and not the trustee-kbs package as distributed by RHEL.
curl might erroneously pass on credentials for a first proxy to a second proxy.
This can happen when the following conditions are true:
- curl is setup to use specific different proxies for different URL schemes
- the first proxy needs credentials
- the second proxy uses no credentials
- while using the first proxy (using say
http://), curl is asked to follow a redirect to a URL using another scheme (sayhttps://), accessed using a second, different, proxy
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2461202
- https://access.redhat.com/security/cve/CVE-2026-6253
- https://access.redhat.com/errata/RHSA-2026:12916
- https://access.redhat.com/errata/RHSA-2026:80512
- https://curl.se/docs/CVE-2026-6253.html
- https://curl.se/docs/CVE-2026-6253.json
- http://www.openwall.com/lists/oss-security/2026/04/29/11
- https://hackerone.com/reports/3669637