Information disclosure in Apache Sling
Priority MEDIUM 42CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
A flaw in the org.apache.sling.auth.core.AuthUtil#isRedirectValid method in Apache Sling Authentication Service 1.4.0 allows an attacker, through the Sling login form, to trick a victim to send over their credentials.
Why it matters now
EPSS 0.01858 79th percentileScored 2026-11-07
Fix Fixed org.apache.sling:org.apache.sling.auth.core (Maven): 1.4.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Sling | Authentication Service 1.4.0 | — | No fix listed | CNA |
| — | org.apache.sling:org.apache.sling.auth.core (Maven) | 1.4.0 to before 1.4.2 | 1.4.2 | Patch available | GHSA-vcvp-89fq-hwj8 |
- Apache Sling VendorApache Affected Authentication Service 1.4.0 Fixed in — No fix listed CNA
- org.apache.sling:org.apache.sling.auth.core (Maven) Vendor— Affected 1.4.0 to before 1.4.2 Fixed in 1.4.2 Patch available GHSA-vcvp-89fq-hwj8
Remediation
- Fix · GHSA-vcvp-89fq-hwj8 org.apache.sling:org.apache.sling.auth.core (Maven) Fixed in 1.4.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-15700
- 2026-10-03 Alias added: GHSA-vcvp-89fq-hwj8
References
Sources
- CVE-2017-15700 · CVE Program
- CVE-2017-15700 · NVD
- FIRST EPSS
- GHSA-vcvp-89fq-hwj8 · GitHub Advisory Database · CC BY 4.0
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