CVE-2026-105119
OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests…
- Risk score
- 43/100
- CVSS
- 6.8 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 3 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests whose response_type is exactly code, so codes issued through OpenID Connect hybrid flows (code token, code id_token, code token id_token) carry no bound challenge. An attacker who intercepts such a code can redeem it for a…
- Affected
- See advisory
- Fix
- Upgrade the product to 16.1.3 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.8 medium
References
Original description
OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests whose response_type is exactly code, so codes issued through OpenID Connect hybrid flows (code token, code id_token, code token id_token) carry no bound challenge. An attacker who intercepts such a code can redeem it for a public client's tokens with any non-empty code_verifier.
Last activity 3 Oct 2026. Patch Forecast updates every hour.