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CVE-2026-1728

CRITICALCVSS 9.8/10EPSS 0.30%

Last modified

CVE-2026-1728 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.30%

21.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Wso2Api Control Plane>= 4.5.0, < 4.5.0.49
Wso2Api Control Plane>= 4.6.0, < 4.6.0.13
Wso2Api Manager>= 4.0.0, < 4.0.0.384
Wso2Api Manager>= 4.1.0, < 4.1.0.248
Wso2Api Manager>= 4.2.0, < 4.2.0.188
Wso2Api Manager>= 4.3.0, < 4.3.0.99
Wso2Api Manager>= 4.4.0, < 4.4.0.63
Wso2Api Manager>= 4.5.0, < 4.5.0.48
Wso2Api Manager>= 4.6.0, < 4.6.0.12
Wso2Traffic Manager>= 4.5.0, < 4.5.0.47
Wso2Traffic Manager>= 4.6.0, < 4.6.0.12
Wso2Universal Gateway>= 4.5.0, < 4.5.0.48
Wso2Universal Gateway>= 4.6.0, < 4.6.0.12

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-1728?
Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.
How severe is CVE-2026-1728?
CVE-2026-1728 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-1728?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST