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CVE-2019-11066

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request...

9.8 Critical

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.51%Up 1.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Record
CVE-2019-11066
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-918
Updated
2026-11-02
CVE List No score

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Record
CVE-2019-11066
Updated
2026-11-02
EUVDEUVD-2019-2773 No score

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Record
EUVD-2019-2773
Updated
2026-11-03
GitHub AdvisoriesGHSA-6pjf-pvwc-xw7f 9.8

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request...

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Record
GHSA-6pjf-pvwc-xw7f
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-918
Updated
2026-11-02
OSV 9.8

openid.php in LightOpenID through 1.3.1 allows SSRF via a crafted OpenID 2.0 assertion request using the HTTP GET method.

Record
CVE-2019-11066
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11066 is a critical vulnerability (CVSS 9.8) in Lightopenid Project Lightopenid, published May 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. No source names a fixed version.

References

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