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VulnerabilityPublished

CVE-2026-127141: Alinto sogo · Synchronous Access of Remote Resource without Timeout

Affects Alinto sogoSource CVE Database V5

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Not known to be exploited · CVSS 7.1 High : upgrade to 5.12.13 soon.

Data as of 12 Nov 2026, 16:48 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.07.1
CNA (VulnCheck)CVSS 3.16.5
Patch
Available – fixed in 5.12.13
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.

What to do

Upgrade Alinto sogo to 5.12.13.

Affected software

ProductAffectedFixed in
AlintosogoAffected
  • <5.12.13
Fixed in
  • 5.12.13
GitHubsogopkg:github/sogoOther threatsAffected
  • <5.12.13
Fixed in
  • 5.12.13

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade SOGo to version 5.12.13 or later, where this vulnerability is fixed. No other mitigation is indicated or required.

Description

SOGo versions before 5.12.13 have a denial of service vulnerability where authenticated attackers can exhaust all worker processes by configuring an IMAP account pointing to a host that accepts connections but never responds. This causes workers to be held indefinitely without timeout, denying service to all users for about five minutes until the workers are restarted.

References

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