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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-47085

CVE-2026-47085: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium4.0

    Medium [CVE-2026-47085] Information disclosure via URLAUTH token forgery

    CVE-2026-47085Source published Source updated

    An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH token forgery can occur via a missing mboxkey. If an attacker knew a folder name on the victim's account for which the victim had never issued an auth URL, they could forge a working URLAUTH token by computing an HMAC-SHA1 value with a predictable key, giving them read access to the mailbox. (URLAUTH is an obscure feature, meaning that the odds of any user actually being susceptible to this attack are very low. Perhaps no public clients use URLAUTH.) A remote attacker could exploit a vulnerability related to URLAUTH token forgery, caused by a missing mailbox key. The likelihood of exploitation is low due to the obscurity of the URLAUTH feature. Red Hat severity: Moderate — CVSS 4…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7
    • Red Hat Enterprise Linux 8

    2 more entries in the full advisory.

    Source-reported affected versions
    • 3.12.2
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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