Lynx 2.x does not properly distinguish between internal and external HTML, which may…
Priority LOW 35CWE-346Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
Lynx 2.x does not properly distinguish between internal and external HTML, which may allow a local attacker to read a "secure" hidden form value from a temporary file and craft a LYNXOPTIONS: URL that causes Lynx to modify the user's configuration file and execute commands.
Why it matters now
EPSS 0.00574 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lynx_project:lynx:2.7:*:*:*:*:*:*:* | 2.7 | Vulnerable | Lynx Project |
| cpe:2.3:a:lynx_project:lynx:2.8:*:*:*:*:*:*:* | 2.8 | Vulnerable | Lynx Project |
- cpe:2.3:a:lynx_project:lynx:2.7:*:*:*:*:*:*:* Versions 2.7 Vulnerable ·Lynx Project
- cpe:2.3:a:lynx_project:lynx:2.8:*:*:*:*:*:*:* Versions 2.8 Vulnerable ·Lynx Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1549
- 2026-10-03 Alias added: GHSA-cgjq-p4q9-cfj7
References
More Lynx Project Lynx vulnerabilities
- TI-2014-04105 The lynx gem before 1.0.0 for Ruby places the configured password on command lines, which… CVSS 3.0HIGH 7.8
- TI-2021-15844 Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote… CVSS 3.1MEDIUM 5.3
- TI-2017-14529 Lynx before 2.8.9dev.16 is vulnerable to a use after free in the HTML parser resulting in… CVSS 3.0MEDIUM 5.3
Sources
- CVE-1999-1549 · CVE Program
- CVE-1999-1549 · NVD
- FIRST EPSS
- GHSA-cgjq-p4q9-cfj7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences