# CVE-2026-123546: OpenAM open redirect and cross-site scripting in goto parameter

Source: https://junglewise.ai/threats/cve-2026-123546-openam-before-16-1-4-contains-an-open-redirect-and-cross-site  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-08. Updated: 2026-11-08  
License: CC BY 4.0 with a link back

CVE-2026-123546 · Severity: medium · CVSS 6.1 · Published 2026-11-08

OpenAM is an identity and access management platform used to control login sessions across enterprise applications. This vulnerability allows attackers to craft malicious login or logout links that either redirect users to phishing sites or execute JavaScript code to steal session cookies, compromising user accounts and potentially administrative access across all protected applications.

Technologies: [Open Identity Platform OpenAM](https://junglewise.ai/threats/technologies/openam). Vendors: [Open Identity Platform](https://junglewise.ai/threats/vendors/open-identity-platform).

## Quick answers

**Is CVE-2026-123546 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-123546 being exploited in the wild.

**How severe is CVE-2026-123546?** Medium severity, with a CVSS score of 6.1, published 8 November 2026.

**Which products and versions are affected?** Open Identity Platform OpenAM before 16.1.4.

**Is there a fix for CVE-2026-123546?** Yes: fixed in 16.1.4. Until then: Set the HttpOnly flag on session cookies using the advanced server property com.sun.identity.cookie.httponly set to true, configure Valid goto URL Resources in each realm to whitelist acceptable post-login destinations, and filter goto and gotoOnFail parameters at the reverse proxy to admit only relative URLs and trusted applications. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-123546 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-123546?** Check whether you run Open Identity Platform OpenAM at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 16.1.4

Set the HttpOnly flag on session cookies using the advanced server property com.sun.identity.cookie.httponly set to true, configure Valid goto URL Resources in each realm to whitelist acceptable post-login destinations, and filter goto and gotoOnFail parameters at the reverse proxy to admit only relative URLs and trusted applications.

## Technical details

The vulnerability stems from two weaknesses: unconfigured realms accept any destination in the goto and gotoOnFail parameters, and the XUI (web UI) ignores the server's validation of these destinations. An attacker can craft a link to the OpenAM login or logout page with a malicious URL parameter that either redirects to an external site (open redirect) or runs JavaScript on the OpenAM origin to steal session cookies (XSS). The attack requires user interaction (following the link) but impacts all users and realms without proper configuration.

## Affected products

- Open Identity Platform OpenAM before 16.1.4

## Timeline

- 2026-10-22: disclosed: Security advisory published
- 2026-11-08: advisory: NVD entry published

## References

- [https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-2gwf-vxp5-f9v2](https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-2gwf-vxp5-f9v2)
- [https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-and-xss-via-goto-and-gotoonfail](https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-and-xss-via-goto-and-gotoonfail)

## Related threats

- [OpenAM default credentials authentication bypass in built-in identities](https://junglewise.ai/threats/cve-2026-123553-openam-before-16-1-4-ships-built-in-identities-in-the-top-level)
- [OpenAM unauthenticated session token disclosure via WebSocket](https://junglewise.ai/threats/cve-2026-123551-openam-from-14-0-0-before-16-1-4-contains-an-information)
- [OpenAM SAML v2.0 service provider authentication bypass](https://junglewise.ai/threats/cve-2026-123550-openam-before-16-1-4-contains-an-authentication-bypass)
- [OpenAM self-registration attribute list enforcement bypass](https://junglewise.ai/threats/cve-2026-123549-openam-before-16-1-4-fails-to-enforce-the-valid-creation)
- [OpenAM open redirect via SAML RelayState](https://junglewise.ai/threats/cve-2026-123547-openam-before-16-1-4-contains-an-open-redirect-vulnerability)