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TI-2026-17867 Aliases CVE-2026-22257GHSA-54m3-5fxr-2f3j

Salvo is vulnerable to stored XSS in the list_html function by uploading files with malicious names

Priority HIGH 71CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Salvo is a Rust web backend framework. Prior to version 0.88.1, the function list_html generates a file view of a folder without sanitizing the files or folders names, this may potentially lead to XSS in cases where a website allow the access to public files using this feature and anyone can upload a file. This issue has been patched in version 0.88.1.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00334 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed salvo (salvo-rs): 0.88.1salvo (crates.io): 0.88.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
salvo-rssalvobefore 0.88.10.88.1Patch availableCNA
—salvo (crates.io)before 0.88.10.88.1Patch availableGHSA-54m3-5fxr-2f3j
  • salvo Vendorsalvo-rs Affected before 0.88.1 Fixed in 0.88.1 Patch available CNA
  • salvo (crates.io) Vendor— Affected before 0.88.1 Fixed in 0.88.1 Patch available GHSA-54m3-5fxr-2f3j

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:salvo:salvo:*:*:*:*:*:rust:*:*before 0.88.1Vulnerablesalvo-rs
  • cpe:2.3:a:salvo:salvo:*:*:*:*:*:rust:*:* Versions before 0.88.1 Vulnerable ·salvo-rs

Remediation

  • Fix · CNA salvo (salvo-rs) Fixed in 0.88.1
  • Fix · GHSA-54m3-5fxr-2f3j salvo (crates.io) Fixed in 0.88.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22257
  2. 2026-10-03 Alias added: GHSA-54m3-5fxr-2f3j

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • TI-2026-25659 Salvo Affected by Denial of Service via Unbounded Memory Allocation in Form Data Parsing CVSS 4.0HIGH 8.7
  • TI-2026-25660 Salvo has a Path Traversal in salvo-proxy::encode_url_path allows API Gateway Bypass CVSS 3.1HIGH 7.5
  • TI-2026-17866 Salvo is vulnerable to reflected XSS in the list_html function CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences