CVE-2026-15639
CriticalCVSS 9.3Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
An attacker can craft a malicious link that, if used by a legitimate user, may cause the user's browser to run JavaScript supplied by the attacker. The vulnerability affects the link processing mechanism.
Risk Assessment
A user clicking the malicious link may fall victim to an XSS attack, potentially leading to session theft, data leakage, or unauthorized actions performed on their behalf.
Recommendation
Apply the vendor's available patches for the affected product. Inform users about the risks of clicking unknown links.
Other vulnerabilities in Secret Server
See all- CVE-2026-15640Critical
Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user. The vulnerability affects the SAML authentication mechanism.
- CVE-2026-15638Critical
An unauthenticated user with access to Secret Server could leverage a padding oracle to decrypt or encrypt data using one of the server's cryptographic keys. The key itself is not exposed.
- CVE-2026-115830High
In Secret Server versions earlier than 12.3.1, a user under certain conditions could submit an unsigned JWT and receive cloudadmin permissions in response. The vulnerability allows privilege escalation to administrative level.
- CVE-2026-115829High
In Secret Server versions earlier than 12.3.1, a user could bypass the initial login step and authenticate by successfully negotiating only the second factor login step. The vulnerability bypasses the first authentication factor.
- CVE-2026-115828Medium
In Secret Server versions earlier than 12.3.1, the application did not always validate the PIN or biometric check when using a FIDO2-compliant device. This may allow bypassing the additional second-factor verification.
Original NVD description (English source)
An attacker can craft a malicious link that, if used by a legitimate user, may cause the user's browser to run JavaScript supplied by the attacker.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS