CVE-2026-34581: goshs has Auth Bypass via Share Token
Vulnerability summary
CVE-2026-34581 is a high (CVSS 8.1) vulnerability in goshs. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 38.3% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 02-04-2026PublishedVulnerability first disclosed.
- 03-04-2026Last modifiedVulnerability information updated.
Description
goshs is a SimpleHTTPServer written in Go. From version 1.1.0 to before version 2.0.0-beta.2, when using the Share Token it is possible to bypass the limited selected file download with all the gosh functionalities, including code exec. This issue has been patched in version 2.0.0-beta.2.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
Increase +0.06 pp
From 0.39% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundGoshs
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Github.com/patrickhener1 product
- goshs≥ 1.1.0 (No fix recorded)
Goshs1 product
- goshs≥ 1.1.0, < 2.0.0 | 2.0.0:beta1
Patrickhener1 product
- goshs≥ 1.1.0, < 2.0.0-beta.2
3 vendors · 3 products
References
5 links- github.com/patrickhener/goshs/security/advisories/GHSA-jgfx-74g2-9r6gX Refsource CONFIRMWEBAdvisoryExploitVendor Advisory
- github.com/patrickhener/goshs/commit/6fb224ed15c2ccc0c61a5ebe22f2401eb06e9216X Refsource MISCWEBFIXPatch