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CVE-2026-81871VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Affects Red Hat caddySource GCVE Database

0
Authoritative record:CVE-2026-81871· Medium 6.3

Not known to be exploited · CVSS 6.3 Medium : upgrade the Red Hat redhat/caddy package to 2.11.6-0.1.hum1 when convenient.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.11.6-0.1.hum1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade the Red Hat redhat/caddy package to 2.11.6-0.1.hum1.

Affected software

ProductAffectedFixed in
Red Hatredhat/caddypkg:rpm/redhat/caddyOther threatsAffected
  • <2.11.6-0.1.hum1
Fixed in
  • 2.11.6-0.1.hum1

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

Description

This update includes the following RPMs: caddy: * caddy-2.11.6-0.1.hum1 (aarch64, x86_64) * caddy-2.11.6-0.1.hum1.src (src) Security Fix(es): caddy: * CVE-2026-81871

References

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