Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible…
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
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-326.
Summary
Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8878
- 2026-10-03 Alias added: GHSA-wwcp-6f37-8chw
References
Advisory 1
More Securly vulnerabilities
- TI-2026-07798 Hard-coded credentials in Securly Chrome Extension CVSS 3.1HIGH 7.3
- TI-2026-07810 Regular expression denial of service in Securly Chrome Extension CVSS 3.1HIGH 7.5
- TI-2026-07801 Version 3.0.7 of the Securly Chrome Extension dynamically registers content13.min.js as a… CVSS 3.1HIGH 7.5
- TI-2026-07811 Version 3.0.7 of the Securly Chrome Extension uses deprecated SHA-1 hashing for IWF CSAM… CVSS 3.1HIGH 7.5
- TI-2026-07803 Version 3.0.7 of the Securly Chrome Extension uses EVP_BytesToKey key derivation with MD5… CVSS 3.1HIGH 7.5
- TI-2026-07796 Cleartext transmission of sensitive information in Securly Chrome Extension CVSS 3.1HIGH 7.1
Sources
- CVE-2026-8878 · CVE Program
- CVE-2026-8878 · NVD
- FIRST EPSS
- GHSA-wwcp-6f37-8chw · 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