Gitsign is software for keyless Git signing using Sigstore. In versions of gitsign starting with 0.6.0 and prior to 0.8.0, Rekor public keys were fetched via the Rekor API, instead of through the local TUF client. If the upstream Rekor server happened to be compromised, gitsign clients could potentially be tricked into trusting incorrect signatures. There is no known compromise the default public good instance (rekor.sigstore.dev) - anyone using this instance is unaffected. This issue was fixed in v0.8.0. No known workarounds are available.
CVE-2023-47122
This medium-severity CVE scores 4.2 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 4.2(medium)
- EPSS
- 29.0%
- KEV
- Not listed
Published
November 10, 2023
Last Modified
June 17, 2026
References (8)
- security-advisories@githubhttps://docs.sigstore.dev/about/threat-model/#sigstore-threat-model
- security-advisories@githubhttps://github.com/sigstore/gitsign/commit/cd66ccb03c86a3600955f0c15f6bfeb75f697236
- security-advisories@githubhttps://github.com/sigstore/gitsign/pull/399
- security-advisories@githubhttps://github.com/sigstore/gitsign/security/advisories/GHSA-xvrc-2wvh-49vc
- af854a3a-2127-422b-91ae-364da2661108https://docs.sigstore.dev/about/threat-model/#sigstore-threat-model
- af854a3a-2127-422b-91ae-364da2661108https://github.com/sigstore/gitsign/commit/cd66ccb03c86a3600955f0c15f6bfeb75f697236
- af854a3a-2127-422b-91ae-364da2661108https://github.com/sigstore/gitsign/pull/399
- af854a3a-2127-422b-91ae-364da2661108https://github.com/sigstore/gitsign/security/advisories/GHSA-xvrc-2wvh-49vc
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/sigstore/gitsign | — | 0.8.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-06-24 06:29 UTCNVD updateCVSS v3 → 5.3
- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 14:11 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-347
Frequently asked(5)
What is CVE-2023-47122?
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Dependency Blast Radius
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