Prior to 1.0.0, Apache Guacamole used a cookie for client-side storage of the user's…
Priority LOW 37CWE-311Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-311.
Summary
Prior to 1.0.0, Apache Guacamole used a cookie for client-side storage of the user's session token. This cookie lacked the "secure" flag, which could allow an attacker eavesdropping on the network to intercept the user's session token if unencrypted HTTP requests are made to the same domain.
Why it matters now
EPSS 0.02043 81st percentileScored 2026-11-07
Fix Fixed org.apache.guacamole:guacamole-common (Maven): 1.0.0
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 Guacamole | Apache Guacamole 0.9.4 to 0.9.14 | — | No fix listed | CNA |
| — | org.apache.guacamole:guacamole-common (Maven) | before 1.0.0 | 1.0.0 | Patch available | GHSA-wr7r-vg3c-54r5 |
- Apache Guacamole VendorApache Affected Apache Guacamole 0.9.4 to 0.9.14 Fixed in — No fix listed CNA
- org.apache.guacamole:guacamole-common (Maven) Vendor— Affected before 1.0.0 Fixed in 1.0.0 Patch available GHSA-wr7r-vg3c-54r5
Remediation
- Fix · GHSA-wr7r-vg3c-54r5 org.apache.guacamole:guacamole-common (Maven) Fixed in 1.0.0 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1340
- 2026-10-03 Alias added: GHSA-wr7r-vg3c-54r5
References
More Apache Guacamole vulnerabilities
- TI-2019-14123 SQLite 3.30.1 mishandles certain SELECT statements with a nonexistent VIEW, leading to an application crash. CVSS 3.1HIGH 7.5
- TI-2023-23512 Apache Guacamole: Integer overflow in handling of VNC image buffers CVSS 3.1HIGH 8.8
- TI-2021-19751 Improper validation of SAML responses CVSS 3.1HIGH 8.8
- TI-2023-14404 Apache Guacamole: Use-after-free in handling of RDP audio input buffer CVSS 3.1HIGH 8.1
- TI-2017-02374 Race condition in Apache Guacamole CVSS 3.0HIGH 8.1
- TI-2024-23239 Apache Guacamole: Improper input validation of console codes CVSS 3.1HIGH 7.5
Sources
- CVE-2018-1340 · CVE Program
- CVE-2018-1340 · NVD
- FIRST EPSS
- GHSA-wr7r-vg3c-54r5 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1340 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences