CVE-2026-23535
CVE-2026-23535 is a high-severity vulnerability in Weblate Wlc with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- EPSS exploit prediction: 0% (26th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-2864
- Weakness: CWE-22
- Affected product: Weblate Wlc
- Published:
- Last modified:
Description
wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2.
Frequently asked questions
- What is CVE-2026-23535?
- wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2.
- How severe is CVE-2026-23535?
- CVE-2026-23535 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-23535 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-23535?
- CVE-2026-23535 affects Weblate Wlc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-23535?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-23535 have an EU (EUVD) identifier?
- Yes. CVE-2026-23535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2864.
- When was CVE-2026-23535 published?
- CVE-2026-23535 was published on 2026-01-16 and last updated on 2026-06-17.
References
- https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f
- https://github.com/WeblateOrg/wlc/pull/1128
- https://github.com/WeblateOrg/wlc/releases/tag/1.17.2
- https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg
Affected products (1)
- cpe:2.3:a:weblate:wlc:*:*:*:*:*:*:*:*
More vulnerabilities in Weblate Wlc
- CVE-2026-22251 — Medium (CVSS 5.3): wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.0, wlc supported providing unscoped API…
- CVE-2026-42150 — Medium (CVSS 5.1): wlc is a Weblate command-line client using Weblate's REST API. Prior to version 2.0.0, the HTML output format in wlc…
- CVE-2026-22250 — Low (CVSS 2.5): wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.0, the SSL verification would be skipped…
All CVEs affecting Weblate Wlc →
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