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🛡️ CVE-2026-47087

🟢 CVSS 3.5 — Low ✅ No Known Exploit CWE-672 NVD
3.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-47087 is classified as CWE-672: Operation on a Resource after Expiration or Release. A resource is used after it has been released or has expired.

Affected software

CVE-2026-47087 is recorded against 1 package.

  • unknown

Timeline and source

Published on 16 July 2026 and last revised on 17 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.cyrusimap.org
www.cyrusimap.org

Other advisories for this package

unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-672: Operation on a Resource after Expiration or Release) in other software:

Details

Severity LOW
CVSS Score 3.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CWE CWE-672
Public Exploit ✅ No
Source NVD
Published 2026-07-16
Updated 2026-08-20
Modified 2026-07-17
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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