CVE-2026-55590

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.9% of scored records. A rank, not a probability.

NVD base score

5.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-13.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-09 18:55Z1 MO AGO

Last updated

2026-07-09 19:18Z1 MO AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Weaknesses

• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.2

Document digest

b8503d0f812ebbca4aedf74cb1cec61ff09ddd4bace42ec9a5667ef0ac3c9849

• github.comhttps://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jmx_refsource_CONFIRM
• github.comhttps://github.com/cakephp/authentication/pull/795x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/pull/796x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/pull/799x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764dx_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052cx_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/releases/tag/2.11.1x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/releases/tag/3.3.6x_refsource_MISC
• github.comhttps://github.com/cakephp/authentication/releases/tag/4.1.1x_refsource_MISC