CVE-2026-23535

HIGHNVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.0 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 74% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.0Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.0
EG Score
8.0(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity80% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

January 16, 2026

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Aug 2, 2026
Patch available. Sources: github_pr, github_release, github, github_commit.
github Patch Available

Path traversal: Unsanitized API slugs in download command · Advisory · WeblateOrg/wlc · GitHub

https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg
github_release Patch Available

1.17.2

Patch available: WeblateOrg/wlc 1.17.2

https://github.com/WeblateOrg/wlc/releases/tag/1.17.2
github_pr Patch Available

fix: sanitize server-provided paths

Patch available: WeblateOrg/wlc 1.17.2 (PR #1128 merged 2026-01-15)

https://github.com/WeblateOrg/wlc/pull/1128
github_commit Patch Available

commit 216e691c6e50 (WeblateOrg/wlc)

Patch available: WeblateOrg/wlc 1.17.2 (contains commit 216e691c6e50)

https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
wlc1.13-1 ... 2.0.0-1 (10 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
wlc1.13-2 ... 2.0.0-1 (7 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
wlc1.15-1, 1.15-2, 1.16.1-1, 1.17.2-1, 2.0.0-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
wlc1.15-1, 1.15-2, 1.16.1-11.17.2-1—
PyPI(1)
PackageVulnerable rangeFixed inDependents
wlc0.0 ... 1.9 (30 versions)1.17.2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 25× 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.

Showing the most recent 100 of 158 total refreshes for this CVE.

  1. 2026-09-19 21:30 UTCOSV refresh
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
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  1. 2026-08-20 22:55 UTCEPSS rescore
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  13. 2026-08-09 19:27 UTCEG score recompute
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  23. 2026-08-02 23:06 UTCEG score recompute
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  36. 2026-07-23 03:07 UTCEG score recompute
  37. 2026-07-22 14:08 UTCEPSS rescore
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  65. 2026-07-06 05:32 UTCOSV refresh
  66. 2026-07-06 02:23 UTCEPSS rescore
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  73. 2026-06-30 23:22 UTCEPSS rescore
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  75. 2026-06-28 14:07 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-23535?
CVE-2026-23535 is a high vulnerability published on January 16, 2026. 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.
When was CVE-2026-23535 disclosed?
CVE-2026-23535 was first published in the National Vulnerability Database on January 16, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23535 actively exploited?
CVE-2026-23535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 66.7% of all scored CVEs.
What is the CVSS score of CVE-2026-23535?
CVE-2026-23535 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2026-23535?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23535, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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