CVE-2026-104656
Cross-site Scripting in Progress Telerik Fiddler Everywhere
CVE-2026-104656 is a high vulnerability (CVSS 7.3) in Progress Software Progress® Telerik® Fiddler® Everywhere, published November 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.
- Severity
- 7.3 HighCVSS 3.1, CVE List
- Exploit chance
- 0.17%EPSS, 6th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3.0 and earlier allows an attacker to execute backend IPC commands by convincing a user to open a specially crafted SAZ file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
Discussion
Affected products
What each source reports
CVE List Score used
Cross-site Scripting in Progress Telerik Fiddler Everywhere
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3.0 and earlier allows an attacker to execute backend IPC commands by convincing a user to open a specially crafted SAZ file.
- Record
CVE-2026-104656- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-06
EUVDEUVD-2026-118359
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3.0 and earlier allows an attacker to execute backend IPC commands by convincing a user to open a specially crafted SAZ file.
- Record
EUVD-2026-118359- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-697r-pc36-hjvx
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3...
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3.0 and earlier allows an attacker to execute backend IPC commands by convincing a user to open a specially crafted SAZ file.
- Record
GHSA-697r-pc36-hjvx- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-06
NVD
Improper neutralization of input in the sessions grid in Progress Telerik Fiddler Everywhere 8.3.0 and earlier allows an attacker to execute backend IPC commands by convincing a user to open a specially crafted SAZ file.
- Record
CVE-2026-104656- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-06
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | CVE List, GitHub Advisories | |
| aliases, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.