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No exploitation reportedFix available

CVE-2016-10549

No exploitation reported by the sources we read.

  • Published2018-05-31
  • Fixed in0.12.7
  • WeaknessCWE-284 · CWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Sails is an MVC style framework for building realtime web applications. Version 0.12.7 and lower have an issue with the CORS configuration where the value of the origin header is reflected as the value for the Access-Control-Allow-Origin header. This would allow an attacker to make AJAX requests to vulnerable hosts through cross site scripting or a malicious HTML Document, effectively bypassing the Same Origin Policy. Note that this is only an issue when `allRoutes` is set to `true` and `origin` is set to `*` or left commented out in the sails CORS config file. The problem can be compounded when the cors `credentials` setting is not provided. At that point authenticated cross domain requests are possible.

Timeline

dates in UTC
  1. 2018-05-3120:29CVE publishedNVD

Versions per branch

OSV · NVD
sails
BranchAffectedFixed in
0.12< 0.12.70.12.7
Sailsjs sails
BranchAffectedFixed in
0.12≤ 0.12.7no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update sails to 0.12.7

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.04.4read 2026-10-23
  • NVDCVSS 2.02.1read 2026-10-23
  • CNAweakness (CWE)CWE-284known since 2026-10-23
  • NVDweakness (CWE)CWE-79read 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2020-06-16

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Published
2018-05-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-qmv4-jgp7-mf68

Frequently asked questions

What is CVE-2016-10549?

Sails is an MVC style framework for building realtime web applications. Version 0.12.7 and lower have an issue with the CORS configuration where the value of the origin header is reflected as the value for the Access-Control-Allow-Origin header. This would allow an attacker to make AJAX requests to vulnerable hosts through cross site scripting or a malicious HTML Document, effectively bypassing the Same Origin Policy. Note that this is only an issue when `allRoutes` is set to `true` and `origin` is set to `*` or left commented out in the sails CORS config file. The problem can be compounded when the cors `credentials` setting is not provided. At that point authenticated cross domain requests are possible.

Is CVE-2016-10549 actively exploited?

Active exploitation of CVE-2016-10549 has not been confirmed. Its EPSS score was 0.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-10549?

CVE-2016-10549 has a CVSS v3 base score of 4.4 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N.

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