CVE-2026-71246

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-05. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Pixelfed's SearchController (behind the auth middleware) accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP against private, internal, or link-local ranges (e.g. 169.254.169.254).

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

GitHub - pixelfed/pixelfed: Photo Sharing. For Everyone. · GitHub

https://github.com/pixelfed/pixelfed

Vendor Advisories for CVE-2026-71246(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 53× 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.

  1. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 12:48 UTCEG score recompute
  3. 2026-08-20 12:48 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 12:49 UTCEG score recompute
  6. 2026-08-19 12:49 UTCGHSA enrichment
  7. 2026-08-18 13:49 UTCEPSS rescore
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 12:49 UTCEG score recompute
  10. 2026-08-18 12:49 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-17 12:15 UTCEG score recompute
  13. 2026-08-17 12:15 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 12:17 UTCEG score recompute
  17. 2026-08-16 12:17 UTCGHSA enrichment
  18. 2026-08-16 02:15 UTCEPSS rescore
  19. 2026-08-15 12:19 UTCEG score recompute
  20. 2026-08-15 12:19 UTCGHSA enrichment
  21. 2026-08-15 01:31 UTCEPSS rescore
  22. 2026-08-14 12:20 UTCEG score recompute
  23. 2026-08-14 12:20 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 12:22 UTCEG score recompute
Show 28 more
  1. 2026-08-13 12:22 UTCGHSA enrichment
  2. 2026-08-12 13:51 UTCEPSS rescore
  3. 2026-08-12 12:24 UTCEG score recompute
  4. 2026-08-12 12:24 UTCGHSA enrichment
  5. 2026-08-11 12:26 UTCEG score recompute
  6. 2026-08-11 12:25 UTCGHSA enrichment
  7. 2026-08-11 00:00 UTCEPSS rescore
  8. 2026-08-10 12:24 UTCEG score recompute
  9. 2026-08-10 12:24 UTCGHSA enrichment
  10. 2026-08-10 12:02 UTCGHSA enrichment
  11. 2026-08-10 11:22 UTCEG score recompute
  12. 2026-08-10 11:22 UTCGHSA enrichment
  13. 2026-08-09 13:47 UTCEPSS rescore
  14. 2026-08-09 13:22 UTCGHSA enrichment
  15. 2026-08-08 13:24 UTCEG score recompute
  16. 2026-08-08 13:24 UTCGHSA enrichment
  17. 2026-08-07 13:25 UTCEG score recompute
  18. 2026-08-07 13:25 UTCGHSA enrichment
  19. 2026-08-06 13:47 UTCEPSS rescore
  20. 2026-08-06 13:27 UTCGHSA enrichment
  21. 2026-08-05 13:28 UTCEG score recompute
  22. 2026-08-05 13:28 UTCGHSA enrichment
  23. 2026-08-05 13:08 UTCEG score recompute
  24. 2026-08-05 13:08 UTCGHSA enrichment
  25. 2026-08-05 11:26 UTCEG score recompute▼ 1.40
  26. 2026-08-05 11:23 UTCNVD updateCVSS v3 → 4.3
  27. 2026-08-05 11:06 UTCEG score recompute
  28. 2026-08-05 11:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-71246?
CVE-2026-71246 is a medium vulnerability published on August 5, 2026. Pixelfed's SearchController (behind the auth middleware) accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP…
When was CVE-2026-71246 disclosed?
CVE-2026-71246 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71246 actively exploited?
CVE-2026-71246 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 94.1% of all scored CVEs.
What is the CVSS score of CVE-2026-71246?
CVE-2026-71246 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-71246?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71246, 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.

Dependency Blast Radius

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